100055111005605 has 64 divisors (see below), whose sum is σ = 190914668421120. Its totient is φ = 43750334428416.

The previous prime is 100055111005571. The next prime is 100055111005627. The reversal of 100055111005605 is 506500111550001.

It is not a de Polignac number, because 100055111005605 - 2¹¹ = 100055111003557 is a prime.

It is a super-2 number, since 2×100055111005605² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 316914816 + ... + 317230374.

It is an arithmetic number, because the mean of its divisors is an integer number (2983041694080).

Almost surely, 2^{100055111005605} is an apocalyptic number.

100055111005605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100055111005605 is a deficient number, since it is larger than the sum of its proper divisors (90859557415515).

100055111005605 is a wasteful number, since it uses less digits than its factorization.

100055111005605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446890.

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 100055111005605 its reverse (506500111550001), we get a palindrome (606555222555606).

The spelling of 100055111005605 in words is "one hundred trillion, fifty-five billion, one hundred eleven million, five thousand, six hundred five".