25101534630 has 32 divisors (see below), whose sum is σ = 60437415168. Its totient is φ = 6672216800.

The previous prime is 25101534599. The next prime is 25101534631. The reversal of 25101534630 is 3643510152.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25101534631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1335876 + ... + 1354535.

It is an arithmetic number, because the mean of its divisors is an integer number (1888669224).

Almost surely, 2^25101534630 is an apocalyptic number.

25101534630 is an abundant number, since it is smaller than the sum of its proper divisors (35335880538).

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

25101534630 is a wasteful number, since it uses less digits than its factorization.

25101534630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690732.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 25101534630 in words is "twenty-five billion, one hundred one million, five hundred thirty-four thousand, six hundred thirty".