25045954995 has 32 divisors (see below), whose sum is σ = 42345216000. Its totient is φ = 12615318144.

The previous prime is 25045954981. The next prime is 25045955029. The reversal of 25045954995 is 59945954052.

It is a happy number.

It is not a de Polignac number, because 25045954995 - 2⁴ = 25045954979 is a prime.

It is a super-2 number, since 2×25045954995² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432220 + ... + 486729.

It is an arithmetic number, because the mean of its divisors is an integer number (1323288000).

Almost surely, 2^25045954995 is an apocalyptic number.

25045954995 is a deficient number, since it is larger than the sum of its proper divisors (17299261005).

25045954995 is a wasteful number, since it uses less digits than its factorization.

25045954995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919059.

The product of its (nonzero) digits is 14580000, while the sum is 57.

The spelling of 25045954995 in words is "twenty-five billion, forty-five million, nine hundred fifty-four thousand, nine hundred ninety-five".