126642789534896 has 40 divisors (see below), whose sum is σ = 247817878649568. Its totient is φ = 62689880000000.

The previous prime is 126642789534853. The next prime is 126642789534901. The reversal of 126642789534896 is 698435987246621.

It is a super-2 number, since 2×126642789534896² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126642789534896.

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, 19372076 + ... + 25071156.

Almost surely, 2^{126642789534896} is an apocalyptic number.

126642789534896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126642789534896 is a deficient number, since it is larger than the sum of its proper divisors (121175089114672).

126642789534896 is a wasteful number, since it uses less digits than its factorization.

126642789534896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712941 (or 5712935 counting only the distinct ones).

The product of its digits is 7524679680, while the sum is 80.

The spelling of 126642789534896 in words is "one hundred twenty-six trillion, six hundred forty-two billion, seven hundred eighty-nine million, five hundred thirty-four thousand, eight hundred ninety-six".