100551155111 has 8 divisors (see below), whose sum is σ = 109694995200. Its totient is φ = 91407786040.

The previous prime is 100551155101. The next prime is 100551155123. The reversal of 100551155111 is 111551155001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100551155111 - 2²² = 100546960807 is a prime.

It is a super-2 number, since 2×100551155111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100551155101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445970 + ... + 632448.

It is an arithmetic number, because the mean of its divisors is an integer number (13711874400).

Almost surely, 2^100551155111 is an apocalyptic number.

100551155111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100551155111 is a deficient number, since it is larger than the sum of its proper divisors (9143840089).

100551155111 is a wasteful number, since it uses less digits than its factorization.

100551155111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235509.

The product of its (nonzero) digits is 625, while the sum is 26.

The spelling of 100551155111 in words is "one hundred billion, five hundred fifty-one million, one hundred fifty-five thousand, one hundred eleven".