100561055111005 has 32 divisors (see below), whose sum is σ = 126056720240640. Its totient is φ = 76867517812800.

The previous prime is 100561055110991. The next prime is 100561055111029. The reversal of 100561055111005 is 500111550165001.

It is not a de Polignac number, because 100561055111005 - 2¹⁹ = 100561054586717 is a prime.

It is a super-2 number, since 2×100561055111005² (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 31 ways as a sum of consecutive naturals, for example, 411643786 + ... + 411888004.

It is an arithmetic number, because the mean of its divisors is an integer number (3939272507520).

Almost surely, 2^{100561055111005} is an apocalyptic number.

It is an amenable number.

100561055111005 is a deficient number, since it is larger than the sum of its proper divisors (25495665129635).

100561055111005 is a wasteful number, since it uses less digits than its factorization.

100561055111005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248121.

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 100561055111005 in words is "one hundred trillion, five hundred sixty-one billion, fifty-five million, one hundred eleven thousand, five".