126956961159 has 64 divisors (see below), whose sum is σ = 201208320000. Its totient is φ = 71155267680.

The previous prime is 126956961151. The next prime is 126956961211. The reversal of 126956961159 is 951169659621.

It is not a de Polignac number, because 126956961159 - 2³ = 126956961151 is a prime.

It is a super-2 number, since 2×126956961159² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126956961151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29806972 + ... + 29811230.

It is an arithmetic number, because the mean of its divisors is an integer number (3143880000).

Almost surely, 2^126956961159 is an apocalyptic number.

126956961159 is a deficient number, since it is larger than the sum of its proper divisors (74251358841).

126956961159 is an equidigital number, since it uses as much as digits as its factorization.

126956961159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4833 (or 4819 counting only the distinct ones).

The product of its digits is 7873200, while the sum is 60.

The spelling of 126956961159 in words is "one hundred twenty-six billion, nine hundred fifty-six million, nine hundred sixty-one thousand, one hundred fifty-nine".