25847648145 has 48 divisors (see below), whose sum is σ = 50196549312. Its totient is φ = 12193476480.

The previous prime is 25847648087. The next prime is 25847648149. The reversal of 25847648145 is 54184674852.

25847648145 is a `hidden beast` number, since 2 + 58 + 4 + 76 + 481 + 45 = 666.

It is not a de Polignac number, because 25847648145 - 2¹² = 25847644049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25847648091 and 25847648100.

It is not an unprimeable number, because it can be changed into a prime (25847648149) 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, 687327 + ... + 723956.

It is an arithmetic number, because the mean of its divisors is an integer number (1045761444).

Almost surely, 2^25847648145 is an apocalyptic number.

It is an amenable number.

25847648145 is a deficient number, since it is larger than the sum of its proper divisors (24348901167).

25847648145 is a wasteful number, since it uses less digits than its factorization.

25847648145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411342 (or 1411339 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 54.

The spelling of 25847648145 in words is "twenty-five billion, eight hundred forty-seven million, six hundred forty-eight thousand, one hundred forty-five".