25528055275 has 12 divisors (see below), whose sum is σ = 31658140912. Its totient is φ = 20420281440.

The previous prime is 25528055257. The next prime is 25528055279. The reversal of 25528055275 is 57255082552.

It is not a de Polignac number, because 25528055275 - 2⁹ = 25528054763 is a prime.

It is a super-2 number, since 2×25528055275² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25528055279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212482 + ... + 310168.

Almost surely, 2^25528055275 is an apocalyptic number.

25528055275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25528055275 is a deficient number, since it is larger than the sum of its proper divisors (6130085637).

25528055275 is a wasteful number, since it uses less digits than its factorization.

25528055275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108150 (or 108145 counting only the distinct ones).

The product of its (nonzero) digits is 1400000, while the sum is 46.

The spelling of 25528055275 in words is "twenty-five billion, five hundred twenty-eight million, fifty-five thousand, two hundred seventy-five".