25051032478056 has 256 divisors, whose sum is σ = 72789067895040. Its totient is φ = 7114860380160.

The previous prime is 25051032478051. The next prime is 25051032478057. The reversal of 25051032478056 is 65087423015052.

It is a super-2 number, since 2×25051032478056² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25051032477996 and 25051032478014.

It is not an unprimeable number, because it can be changed into a prime (25051032478051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 757018071 + ... + 757051161.

It is an arithmetic number, because the mean of its divisors is an integer number (284332296465).

Almost surely, 2^{25051032478056} is an apocalyptic number.

25051032478056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25051032478056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36394533947520).

25051032478056 is an abundant number, since it is smaller than the sum of its proper divisors (47738035416984).

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

25051032478056 is a wasteful number, since it uses less digits than its factorization.

25051032478056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35876 (or 35872 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 25051032478056 in words is "twenty-five trillion, fifty-one billion, thirty-two million, four hundred seventy-eight thousand, fifty-six".