100161051051056 has 20 divisors (see below), whose sum is σ = 194130104558904. Its totient is φ = 50062959552000.

The previous prime is 100161051051053. The next prime is 100161051051073. The reversal of 100161051051056 is 650150150161001.

It is a super-2 number, since 2×100161051051056² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100161051051053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097826305 + ... + 1097917536.

Almost surely, 2^{100161051051056} is an apocalyptic number.

100161051051056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100161051051056 is a deficient number, since it is larger than the sum of its proper divisors (93969053507848).

100161051051056 is a wasteful number, since it uses less digits than its factorization.

100161051051056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195746700 (or 2195746694 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 100161051051056 in words is "one hundred trillion, one hundred sixty-one billion, fifty-one million, fifty-one thousand, fifty-six".