126377525265 has 32 divisors (see below), whose sum is σ = 207266363136. Its totient is φ = 65715978240.

The previous prime is 126377525257. The next prime is 126377525291. The reversal of 126377525265 is 562525773621.

It is not a de Polignac number, because 126377525265 - 2³ = 126377525257 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 924369 + ... + 1052241.

It is an arithmetic number, because the mean of its divisors is an integer number (6477073848).

Almost surely, 2^126377525265 is an apocalyptic number.

126377525265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126377525265 is a deficient number, since it is larger than the sum of its proper divisors (80888837871).

126377525265 is a wasteful number, since it uses less digits than its factorization.

126377525265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129529.

The product of its digits is 5292000, while the sum is 51.

The spelling of 126377525265 in words is "one hundred twenty-six billion, three hundred seventy-seven million, five hundred twenty-five thousand, two hundred sixty-five".