25045876515 has 48 divisors (see below), whose sum is σ = 44190252288. Its totient is φ = 12104136000.

The previous prime is 25045876511. The next prime is 25045876523. The reversal of 25045876515 is 51567854052.

It is not a de Polignac number, because 25045876515 - 2² = 25045876511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25045876511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 542280 + ... + 586650.

It is an arithmetic number, because the mean of its divisors is an integer number (920630256).

Almost surely, 2^25045876515 is an apocalyptic number.

25045876515 is a deficient number, since it is larger than the sum of its proper divisors (19144375773).

25045876515 is a wasteful number, since it uses less digits than its factorization.

25045876515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44712 (or 44701 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 48.

The spelling of 25045876515 in words is "twenty-five billion, forty-five million, eight hundred seventy-six thousand, five hundred fifteen".