126722772515626 has 16 divisors (see below), whose sum is σ = 221337888384384. Its totient is φ = 53285047203024.

The previous prime is 126722772515579. The next prime is 126722772515639. The reversal of 126722772515626 is 626515277227621.

It is a super-2 number, since 2×126722772515626² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85392703110 + ... + 85392704593.

It is an arithmetic number, because the mean of its divisors is an integer number (13833618024024).

Almost surely, 2^{126722772515626} is an apocalyptic number.

126722772515626 is a deficient number, since it is larger than the sum of its proper divisors (94615115868758).

126722772515626 is a wasteful number, since it uses less digits than its factorization.

126722772515626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170785407765.

The product of its digits is 59270400, while the sum is 61.

The spelling of 126722772515626 in words is "one hundred twenty-six trillion, seven hundred twenty-two billion, seven hundred seventy-two million, five hundred fifteen thousand, six hundred twenty-six".