25155655152 has 40 divisors (see below), whose sum is σ = 65000494464. Its totient is φ = 8383276224.

The previous prime is 25155655111. The next prime is 25155655163.

25155655152 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25155655152² (a number of 22 digits) contains 22 as substring.

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, 156733 + ... + 273635.

Almost surely, 2^25155655152 is an apocalyptic number.

It is an amenable number.

25155655152 is an abundant number, since it is smaller than the sum of its proper divisors (39844839312).

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

25155655152 is a wasteful number, since it uses less digits than its factorization.

25155655152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121397 (or 121391 counting only the distinct ones).

The product of its digits is 375000, while the sum is 42.

The spelling of 25155655152 in words is "twenty-five billion, one hundred fifty-five million, six hundred fifty-five thousand, one hundred fifty-two".