264721700125 has 16 divisors (see below), whose sum is σ = 334084748400. Its totient is φ = 209397830400.

The previous prime is 264721700081. The next prime is 264721700161. The reversal of 264721700125 is 521007127462.

264721700125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 42841134361 + 221880565764 = 206981^2 + 471042^2 .

It is not a de Polignac number, because 264721700125 - 2⁷ = 264721699997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11886480 + ... + 11908729.

It is an arithmetic number, because the mean of its divisors is an integer number (20880296775).

Almost surely, 2^264721700125 is an apocalyptic number.

264721700125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264721700125 is a deficient number, since it is larger than the sum of its proper divisors (69363048275).

264721700125 is an equidigital number, since it uses as much as digits as its factorization.

264721700125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23795313 (or 23795303 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 264721700125 its reverse (521007127462), we get a palindrome (785728827587).

The spelling of 264721700125 in words is "two hundred sixty-four billion, seven hundred twenty-one million, seven hundred thousand, one hundred twenty-five".