25534148855 has 16 divisors (see below), whose sum is σ = 32289776064. Its totient is φ = 19345708800.

The previous prime is 25534148831. The next prime is 25534148863. The reversal of 25534148855 is 55884143552.

It is not a de Polignac number, because 25534148855 - 2⁸ = 25534148599 is a prime.

It is a super-2 number, since 2×25534148855² (a number of 22 digits) contains 22 as substring.

It is a Duffinian 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, 1087574 + ... + 1110803.

It is an arithmetic number, because the mean of its divisors is an integer number (2018111004).

Almost surely, 2^25534148855 is an apocalyptic number.

25534148855 is a deficient number, since it is larger than the sum of its proper divisors (6755627209).

25534148855 is a wasteful number, since it uses less digits than its factorization.

25534148855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198506.

The product of its digits is 3840000, while the sum is 50.

The spelling of 25534148855 in words is "twenty-five billion, five hundred thirty-four million, one hundred forty-eight thousand, eight hundred fifty-five".