25497195005 has 16 divisors (see below), whose sum is σ = 31589720064. Its totient is φ = 19743534720.

The previous prime is 25497194981. The next prime is 25497195013. The reversal of 25497195005 is 50059179452.

It is not a de Polignac number, because 25497195005 - 2¹² = 25497190909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463637 + ... + 515706.

It is an arithmetic number, because the mean of its divisors is an integer number (1974357504).

Almost surely, 2^25497195005 is an apocalyptic number.

It is an amenable number.

25497195005 is a deficient number, since it is larger than the sum of its proper divisors (6092525059).

25497195005 is a wasteful number, since it uses less digits than its factorization.

25497195005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979516.

The product of its (nonzero) digits is 567000, while the sum is 47.

The spelling of 25497195005 in words is "twenty-five billion, four hundred ninety-seven million, one hundred ninety-five thousand, five".