100551105550555 has 8 divisors (see below), whose sum is σ = 131630538175344. Its totient is φ = 73128076764000.

The previous prime is 100551105550451. The next prime is 100551105550591. The reversal of 100551105550555 is 555055501155001.

It is a happy number.

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

It is not a de Polignac number, because 100551105550555 - 2⁴¹ = 98352082295003 is a prime.

It is a super-2 number, since 2×100551105550555² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

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, 914100959496 + ... + 914100959605.

It is an arithmetic number, because the mean of its divisors is an integer number (16453817271918).

Almost surely, 2^{100551105550555} is an apocalyptic number.

100551105550555 is a deficient number, since it is larger than the sum of its proper divisors (31079432624789).

100551105550555 is a wasteful number, since it uses less digits than its factorization.

100551105550555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828201919117.

The product of its (nonzero) digits is 390625, while the sum is 43.

The spelling of 100551105550555 in words is "one hundred trillion, five hundred fifty-one billion, one hundred five million, five hundred fifty thousand, five hundred fifty-five".