101049639756 has 48 divisors (see below), whose sum is σ = 257133811200. Its totient is φ = 30698620992.

The previous prime is 101049639727. The next prime is 101049639791. The reversal of 101049639756 is 657936940101.

It is a super-2 number, since 2×101049639756² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101049639699 and 101049639708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4087386 + ... + 4112033.

It is an arithmetic number, because the mean of its divisors is an integer number (5356954400).

Almost surely, 2^101049639756 is an apocalyptic number.

It is an amenable number.

101049639756 is an abundant number, since it is smaller than the sum of its proper divisors (156084171444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101049639756 is a wasteful number, since it uses less digits than its factorization.

101049639756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8199518 (or 8199516 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 101049639756 in words is "one hundred one billion, forty-nine million, six hundred thirty-nine thousand, seven hundred fifty-six".