275378133625 has 16 divisors (see below), whose sum is σ = 392767899264. Its totient is φ = 188830719600.

The previous prime is 275378133623. The next prime is 275378133757. The reversal of 275378133625 is 526331873572.

It is not a de Polignac number, because 275378133625 - 2¹ = 275378133623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275378133623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157358059 + ... + 157359808.

It is an arithmetic number, because the mean of its divisors is an integer number (24547993704).

Almost surely, 2^275378133625 is an apocalyptic number.

275378133625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275378133625 is a deficient number, since it is larger than the sum of its proper divisors (117389765639).

275378133625 is an equidigital number, since it uses as much as digits as its factorization.

275378133625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314717889 (or 314717879 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 52.

The spelling of 275378133625 in words is "two hundred seventy-five billion, three hundred seventy-eight million, one hundred thirty-three thousand, six hundred twenty-five".