100561055610061 has 8 divisors (see below), whose sum is σ = 102973300531200. Its totient is φ = 98167879819152.

The previous prime is 100561055610023. The next prime is 100561055610073. The reversal of 100561055610061 is 160016550165001.

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

It is a cyclic number.

It is not a de Polignac number, because 100561055610061 - 2²⁵ = 100561022055629 is a prime.

It is a super-2 number, since 2×100561055610061² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100561055610061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100561059610061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4767271885 + ... + 4767292978.

It is an arithmetic number, because the mean of its divisors is an integer number (12871662566400).

Almost surely, 2^{100561055610061} is an apocalyptic number.

It is an amenable number.

100561055610061 is a deficient number, since it is larger than the sum of its proper divisors (2412244921139).

100561055610061 is an equidigital number, since it uses as much as digits as its factorization.

100561055610061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9534565115.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 100561055610061 in words is "one hundred trillion, five hundred sixty-one billion, fifty-five million, six hundred ten thousand, sixty-one".