100561061001005 has 32 divisors (see below), whose sum is σ = 132220718592768. Its totient is φ = 72814737139200.

The previous prime is 100561061000989. The next prime is 100561061001043. The reversal of 100561061001005 is 500100160165001.

It is not a de Polignac number, because 100561061001005 - 2⁴ = 100561061000989 is a prime.

It is a super-2 number, since 2×100561061001005² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

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, 141212135 + ... + 141922475.

It is an arithmetic number, because the mean of its divisors is an integer number (4131897456024).

Almost surely, 2^{100561061001005} is an apocalyptic number.

It is an amenable number.

100561061001005 is a deficient number, since it is larger than the sum of its proper divisors (31659657591763).

100561061001005 is a wasteful number, since it uses less digits than its factorization.

100561061001005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721637.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 100561061001005 in words is "one hundred trillion, five hundred sixty-one billion, sixty-one million, one thousand, five".