25135453152 has 72 divisors (see below), whose sum is σ = 71516685240. Its totient is φ = 8374060800.

The previous prime is 25135453141. The next prime is 25135453159.

25135453152 is a `hidden beast` number, since 2 + 51 + 3 + 5 + 453 + 152 = 666.

25135453152 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25135453159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 547902 + ... + 592002.

It is an arithmetic number, because the mean of its divisors is an integer number (993287295).

Almost surely, 2^25135453152 is an apocalyptic number.

It is an amenable number.

25135453152 is an abundant number, since it is smaller than the sum of its proper divisors (46381232088).

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

25135453152 is a wasteful number, since it uses less digits than its factorization.

25135453152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46096 (or 46085 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The spelling of 25135453152 in words is "twenty-five billion, one hundred thirty-five million, four hundred fifty-three thousand, one hundred fifty-two".