25775305375 has 32 divisors (see below), whose sum is σ = 33489975168. Its totient is φ = 19787846400.

The previous prime is 25775305331. The next prime is 25775305379. The reversal of 25775305375 is 57350357752.

It is a de Polignac number, because none of the positive numbers 2^k-25775305375 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25775305379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299454 + ... + 375796.

It is an arithmetic number, because the mean of its divisors is an integer number (1046561724).

Almost surely, 2^25775305375 is an apocalyptic number.

25775305375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25775305375 is a deficient number, since it is larger than the sum of its proper divisors (7714669793).

25775305375 is an equidigital number, since it uses as much as digits as its factorization.

25775305375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76468 (or 76458 counting only the distinct ones).

The product of its (nonzero) digits is 3858750, while the sum is 49.

The spelling of 25775305375 in words is "twenty-five billion, seven hundred seventy-five million, three hundred five thousand, three hundred seventy-five".