265137750125 has 8 divisors (see below), whose sum is σ = 330891912312. Its totient is φ = 212110200000.

The previous prime is 265137750091. The next prime is 265137750133. The reversal of 265137750125 is 521057731562.

It can be written as a sum of positive squares in 4 ways, for example, as 56257672969 + 208880077156 = 237187^2 + 457034^2 .

It is not a de Polignac number, because 265137750125 - 2¹⁰ = 265137749101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060550876 + ... + 1060551125.

It is an arithmetic number, because the mean of its divisors is an integer number (41361489039).

Almost surely, 2^265137750125 is an apocalyptic number.

265137750125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265137750125 is a deficient number, since it is larger than the sum of its proper divisors (65754162187).

265137750125 is an equidigital number, since it uses as much as digits as its factorization.

265137750125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121102016 (or 2121102006 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 44.

The spelling of 265137750125 in words is "two hundred sixty-five billion, one hundred thirty-seven million, seven hundred fifty thousand, one hundred twenty-five".