25052155152 has 40 divisors (see below), whose sum is σ = 65537293440. Its totient is φ = 8245011840.

The previous prime is 25052155109. The next prime is 25052155153. The reversal of 25052155152 is 25155125052.

It is a happy number.

It is a super-2 number, since 2×25052155152² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25052155153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3299499 + ... + 3307082.

It is an arithmetic number, because the mean of its divisors is an integer number (1638432336).

Almost surely, 2^25052155152 is an apocalyptic number.

It is an amenable number.

25052155152 is an abundant number, since it is smaller than the sum of its proper divisors (40485138288).

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

25052155152 is a wasteful number, since it uses less digits than its factorization.

25052155152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6606671 (or 6606665 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 33.

The spelling of 25052155152 in words is "twenty-five billion, fifty-two million, one hundred fifty-five thousand, one hundred fifty-two".