25873039155 has 32 divisors (see below), whose sum is σ = 42412043520. Its totient is φ = 13461356160.

The previous prime is 25873039151. The next prime is 25873039183. The reversal of 25873039155 is 55193037852.

It is not a de Polignac number, because 25873039155 - 2² = 25873039151 is a prime.

It is a super-2 number, since 2×25873039155² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25873039151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505116 + ... + 553974.

It is an arithmetic number, because the mean of its divisors is an integer number (1325376360).

Almost surely, 2^25873039155 is an apocalyptic number.

25873039155 is a deficient number, since it is larger than the sum of its proper divisors (16539004365).

25873039155 is a wasteful number, since it uses less digits than its factorization.

25873039155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49731.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 25873039155 in words is "twenty-five billion, eight hundred seventy-three million, thirty-nine thousand, one hundred fifty-five".