126814762805 has 16 divisors (see below), whose sum is σ = 152775072000. Its totient is φ = 101053730880.

The previous prime is 126814762687. The next prime is 126814762873. The reversal of 126814762805 is 508267418621.

It is not a de Polignac number, because 126814762805 - 2²² = 126810568501 is a prime.

It is a super-2 number, since 2×126814762805² (a number of 23 digits) contains 22 as substring.

It is a congruent 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, 11737796 + ... + 11748594.

It is an arithmetic number, because the mean of its divisors is an integer number (9548442000).

Almost surely, 2^126814762805 is an apocalyptic number.

It is an amenable number.

126814762805 is a deficient number, since it is larger than the sum of its proper divisors (25960309195).

126814762805 is a wasteful number, since it uses less digits than its factorization.

126814762805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19804.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 126814762805 in words is "one hundred twenty-six billion, eight hundred fourteen million, seven hundred sixty-two thousand, eight hundred five".