126568504959 has 32 divisors (see below), whose sum is σ = 191759500800. Its totient is φ = 73613473920.

The previous prime is 126568504949. The next prime is 126568504961. The reversal of 126568504959 is 959405865621.

It is a de Polignac number, because none of the positive numbers 2^k-126568504959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126568504939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109102 + ... + 514820.

It is an arithmetic number, because the mean of its divisors is an integer number (5992484400).

Almost surely, 2^126568504959 is an apocalyptic number.

126568504959 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

126568504959 is a deficient number, since it is larger than the sum of its proper divisors (65190995841).

126568504959 is a wasteful number, since it uses less digits than its factorization.

126568504959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406175.

The product of its (nonzero) digits is 23328000, while the sum is 60.

The spelling of 126568504959 in words is "one hundred twenty-six billion, five hundred sixty-eight million, five hundred four thousand, nine hundred fifty-nine".