25503710652 has 96 divisors (see below), whose sum is σ = 76273021440. Its totient is φ = 7218650880.

The previous prime is 25503710629. The next prime is 25503710657. The reversal of 25503710652 is 25601730552.

25503710652 is a `hidden beast` number, since 2 + 550 + 37 + 10 + 65 + 2 = 666.

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 (25503710657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76749 + ... + 238532.

It is an arithmetic number, because the mean of its divisors is an integer number (794510640).

Almost surely, 2^25503710652 is an apocalyptic number.

It is an amenable number.

25503710652 is an abundant number, since it is smaller than the sum of its proper divisors (50769310788).

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

25503710652 is a wasteful number, since it uses less digits than its factorization.

25503710652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315408 (or 315400 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The spelling of 25503710652 in words is "twenty-five billion, five hundred three million, seven hundred ten thousand, six hundred fifty-two".