25130685522 has 16 divisors (see below), whose sum is σ = 50288001120. Its totient is φ = 8372456832.

The previous prime is 25130685499. The next prime is 25130685589. The reversal of 25130685522 is 22558603152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097308 + ... + 1119975.

It is an arithmetic number, because the mean of its divisors is an integer number (3143000070).

Almost surely, 2^25130685522 is an apocalyptic number.

25130685522 is an abundant number, since it is smaller than the sum of its proper divisors (25157315598).

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

25130685522 is a wasteful number, since it uses less digits than its factorization.

25130685522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219177.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 25130685522 in words is "twenty-five billion, one hundred thirty million, six hundred eighty-five thousand, five hundred twenty-two".