100551050105 has 16 divisors (see below), whose sum is σ = 133216380864. Its totient is φ = 72246972480.

The previous prime is 100551050099. The next prime is 100551050107. The reversal of 100551050105 is 501050155001.

It is a happy number.

It is not a de Polignac number, because 100551050105 - 2³² = 96256082809 is a prime.

It is a super-2 number, since 2×100551050105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100551050107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11008694 + ... + 11017823.

It is an arithmetic number, because the mean of its divisors is an integer number (8326023804).

Almost surely, 2^100551050105 is an apocalyptic number.

It is an amenable number.

100551050105 is a deficient number, since it is larger than the sum of its proper divisors (32665330759).

100551050105 is a wasteful number, since it uses less digits than its factorization.

100551050105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22026616.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 100551050105 in words is "one hundred billion, five hundred fifty-one million, fifty thousand, one hundred five".