25155055152 has 120 divisors (see below), whose sum is σ = 73390981248. Its totient is φ = 8034048000.

The previous prime is 25155055103. The next prime is 25155055201.

25155055152 is a `hidden beast` number, since 2 + 5 + 1 + 5 + 50 + 551 + 52 = 666.

25155055152 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (25155055103) and next prime (25155055201).

It is a super-3 number, since 3×25155055152³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 422968 + ... + 478760.

Almost surely, 2^25155055152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25155055152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36695490624).

25155055152 is an abundant number, since it is smaller than the sum of its proper divisors (48235926096).

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

25155055152 is a wasteful number, since it uses less digits than its factorization.

25155055152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55939 (or 55930 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 36.

The spelling of 25155055152 in words is "twenty-five billion, one hundred fifty-five million, fifty-five thousand, one hundred fifty-two".