25109635082 has 32 divisors (see below), whose sum is σ = 44933255040. Its totient is φ = 10298767680.

The previous prime is 25109635081. The next prime is 25109635087. The reversal of 25109635082 is 28053690152.

It is not an unprimeable number, because it can be changed into a prime (25109635081) 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, 365732 + ... + 428927.

It is an arithmetic number, because the mean of its divisors is an integer number (1404164220).

Almost surely, 2^25109635082 is an apocalyptic number.

25109635082 is a deficient number, since it is larger than the sum of its proper divisors (19823619958).

25109635082 is a wasteful number, since it uses less digits than its factorization.

25109635082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794766.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 25109635082 in words is "twenty-five billion, one hundred nine million, six hundred thirty-five thousand, eighty-two".