265120124057 has 2 divisors, whose sum is σ = 265120124058. Its totient is φ = 265120124056.

The previous prime is 265120124039. The next prime is 265120124119. The reversal of 265120124057 is 750421021562.

265120124057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133876223881 + 131243900176 = 365891^2 + 362276^2 .

It is a cyclic number.

It is not a de Polignac number, because 265120124057 - 2⁶ = 265120123993 is a prime.

It is not a weakly prime, because it can be changed into another prime (265120124657) by changing a digit.

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 as a sum of consecutive naturals, namely, 132560062028 + 132560062029.

It is an arithmetic number, because the mean of its divisors is an integer number (132560062029).

Almost surely, 2^265120124057 is an apocalyptic number.

It is an amenable number.

265120124057 is a deficient number, since it is larger than the sum of its proper divisors (1).

265120124057 is an equidigital number, since it uses as much as digits as its factorization.

265120124057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 265120124057 in words is "two hundred sixty-five billion, one hundred twenty million, one hundred twenty-four thousand, fifty-seven".