25539148356 has 24 divisors (see below), whose sum is σ = 59663776704. Its totient is φ = 8502702240.

The previous prime is 25539148301. The next prime is 25539148363. The reversal of 25539148356 is 65384193552.

It is a junction number, because it is equal to n+sod(n) for n = 25539148299 and 25539148308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283115 + ... + 1302866.

It is an arithmetic number, because the mean of its divisors is an integer number (2485990696).

Almost surely, 2^25539148356 is an apocalyptic number.

It is an amenable number.

25539148356 is an abundant number, since it is smaller than the sum of its proper divisors (34124628348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25539148356 is a wasteful number, since it uses less digits than its factorization.

25539148356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586811 (or 2586809 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 51.

The spelling of 25539148356 in words is "twenty-five billion, five hundred thirty-nine million, one hundred forty-eight thousand, three hundred fifty-six".