25525433196078 has 64 divisors (see below), whose sum is σ = 51387119814720. Its totient is φ = 8452611532800.

The previous prime is 25525433196049. The next prime is 25525433196091. The reversal of 25525433196078 is 87069133452552.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3104902008 + ... + 3104910228.

It is an arithmetic number, because the mean of its divisors is an integer number (802923747105).

It is a 1-persistent number, because it is pandigital, but 2⋅25525433196078 = 51050866392156 is not.

Almost surely, 2^{25525433196078} is an apocalyptic number.

25525433196078 is an abundant number, since it is smaller than the sum of its proper divisors (25861686618642).

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

25525433196078 is a wasteful number, since it uses less digits than its factorization.

25525433196078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13173.

The product of its (nonzero) digits is 54432000, while the sum is 60.

The spelling of 25525433196078 in words is "twenty-five trillion, five hundred twenty-five billion, four hundred thirty-three million, one hundred ninety-six thousand, seventy-eight".