126276515265 has 16 divisors (see below), whose sum is σ = 204125338368. Its totient is φ = 66653170176.

The previous prime is 126276515251. The next prime is 126276515291. The reversal of 126276515265 is 562515672621.

It is not a de Polignac number, because 126276515265 - 2⁸ = 126276515009 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43392537 + ... + 43395446.

It is an arithmetic number, because the mean of its divisors is an integer number (12757833648).

Almost surely, 2^126276515265 is an apocalyptic number.

126276515265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126276515265 is a deficient number, since it is larger than the sum of its proper divisors (77848823103).

126276515265 is an equidigital number, since it uses as much as digits as its factorization.

126276515265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86788088.

The product of its digits is 1512000, while the sum is 48.

The spelling of 126276515265 in words is "one hundred twenty-six billion, two hundred seventy-six million, five hundred fifteen thousand, two hundred sixty-five".