25231365548 has 24 divisors (see below), whose sum is σ = 44724430128. Its totient is φ = 12453212736.

The previous prime is 25231365529. The next prime is 25231365557. The reversal of 25231365548 is 84556313252.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25231365499 and 25231365508.

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, 371390 + ... + 434042.

It is an arithmetic number, because the mean of its divisors is an integer number (1863517922).

Almost surely, 2^25231365548 is an apocalyptic number.

It is an amenable number.

25231365548 is a deficient number, since it is larger than the sum of its proper divisors (19493064580).

25231365548 is a wasteful number, since it uses less digits than its factorization.

25231365548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63953 (or 63951 counting only the distinct ones).

The product of its digits is 864000, while the sum is 44.

The spelling of 25231365548 in words is "twenty-five billion, two hundred thirty-one million, three hundred sixty-five thousand, five hundred forty-eight".