25162063542 has 192 divisors, whose sum is σ = 69106452480. Its totient is φ = 6427296000.

The previous prime is 25162063541. The next prime is 25162063543. The reversal of 25162063542 is 24536026152.

25162063542 is a `hidden beast` number, since 2 + 5 + 16 + 2 + 0 + 635 + 4 + 2 = 666.

25162063542 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (25162063541) and next prime (25162063543).

It is a junction number, because it is equal to n+sod(n) for n = 25162063497 and 25162063506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25162063541) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24217059 + ... + 24218097.

It is an arithmetic number, because the mean of its divisors is an integer number (359929440).

Almost surely, 2^25162063542 is an apocalyptic number.

25162063542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25162063542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34553226240).

25162063542 is an abundant number, since it is smaller than the sum of its proper divisors (43944388938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25162063542 is a wasteful number, since it uses less digits than its factorization.

25162063542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339 (or 1336 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 25162063542 its reverse (24536026152), we get a palindrome (49698089694).

The spelling of 25162063542 in words is "twenty-five billion, one hundred sixty-two million, sixty-three thousand, five hundred forty-two".