25475434075 has 24 divisors (see below), whose sum is σ = 38879435168. Its totient is φ = 16125108480.

The previous prime is 25475434067. The next prime is 25475434081. The reversal of 25475434075 is 57043457452.

It is not a de Polignac number, because 25475434075 - 2³ = 25475434067 is a prime.

It is a super-2 number, since 2×25475434075² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5596722 + ... + 5601271.

Almost surely, 2^25475434075 is an apocalyptic number.

25475434075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25475434075 is a deficient number, since it is larger than the sum of its proper divisors (13404001093).

25475434075 is a wasteful number, since it uses less digits than its factorization.

25475434075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11198023 (or 11198018 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 46.

The spelling of 25475434075 in words is "twenty-five billion, four hundred seventy-five million, four hundred thirty-four thousand, seventy-five".