25178553132 has 96 divisors (see below), whose sum is σ = 62162795520. Its totient is φ = 7921313280.

The previous prime is 25178553119. The next prime is 25178553149. The reversal of 25178553132 is 23135587152.

It is a super-3 number, since 3×25178553132³ (a number of 32 digits) contains 333 as substring.

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, 3254653 + ... + 3262379.

It is an arithmetic number, because the mean of its divisors is an integer number (647529120).

Almost surely, 2^25178553132 is an apocalyptic number.

It is an amenable number.

25178553132 is an abundant number, since it is smaller than the sum of its proper divisors (36984242388).

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

25178553132 is a wasteful number, since it uses less digits than its factorization.

25178553132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7991 (or 7989 counting only the distinct ones).

The product of its digits is 252000, while the sum is 42.

The spelling of 25178553132 in words is "twenty-five billion, one hundred seventy-eight million, five hundred fifty-three thousand, one hundred thirty-two".