125767238705 has 16 divisors (see below), whose sum is σ = 159836723280. Its totient is φ = 94672607232.

The previous prime is 125767238693. The next prime is 125767238713. The reversal of 125767238705 is 507832767521.

It can be written as a sum of positive squares in 8 ways, for example, as 8079133456 + 117688105249 = 89884^2 + 343057^2 .

It is not a de Polignac number, because 125767238705 - 2¹⁸ = 125766976561 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 183011 + ... + 533879.

It is an arithmetic number, because the mean of its divisors is an integer number (9989795205).

Almost surely, 2^125767238705 is an apocalyptic number.

It is an amenable number.

125767238705 is a deficient number, since it is larger than the sum of its proper divisors (34069484575).

125767238705 is a wasteful number, since it uses less digits than its factorization.

125767238705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355108.

The product of its (nonzero) digits is 4939200, while the sum is 53.

The spelling of 125767238705 in words is "one hundred twenty-five billion, seven hundred sixty-seven million, two hundred thirty-eight thousand, seven hundred five".