25535182050 has 288 divisors, whose sum is σ = 85200261120. Its totient is φ = 5350665600.

The previous prime is 25535182039. The next prime is 25535182063. The reversal of 25535182050 is 5028153552.

25535182050 is a `hidden beast` number, since 2 + 553 + 51 + 8 + 2 + 0 + 50 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25535181996 and 25535182014.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1848469 + ... + 1862231.

It is an arithmetic number, because the mean of its divisors is an integer number (295834240).

Almost surely, 2^25535182050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25535182050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42600130560).

25535182050 is an abundant number, since it is smaller than the sum of its proper divisors (59665079070).

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

25535182050 is a wasteful number, since it uses less digits than its factorization.

25535182050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13838 (or 13830 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 25535182050 in words is "twenty-five billion, five hundred thirty-five million, one hundred eighty-two thousand, fifty".