25214513305542 has 16 divisors (see below), whose sum is σ = 55013483575872. Its totient is φ = 7640761607720.

The previous prime is 25214513305519. The next prime is 25214513305603. The reversal of 25214513305542 is 24550331541252.

It is a junction number, because it is equal to n+sod(n) for n = 25214513305494 and 25214513305503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191019040128 + ... + 191019040259.

It is an arithmetic number, because the mean of its divisors is an integer number (3438342723492).

Almost surely, 2^{25214513305542} is an apocalyptic number.

25214513305542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25214513305542 is an abundant number, since it is smaller than the sum of its proper divisors (29798970270330).

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

25214513305542 is a wasteful number, since it uses less digits than its factorization.

25214513305542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382038080403.

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 25214513305542 its reverse (24550331541252), we get a palindrome (49764844846794).

The spelling of 25214513305542 in words is "twenty-five trillion, two hundred fourteen billion, five hundred thirteen million, three hundred five thousand, five hundred forty-two".