100566666061115 has 4 divisors (see below), whose sum is σ = 120679999273344. Its totient is φ = 80453332848888.

The previous prime is 100566666061109. The next prime is 100566666061133. The reversal of 100566666061115 is 511160666665001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100566666061115 - 2³² = 100562371093819 is a prime.

It is a super-2 number, since 2×100566666061115² (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 3 ways as a sum of consecutive naturals, for example, 10056666606107 + ... + 10056666606116.

It is an arithmetic number, because the mean of its divisors is an integer number (30169999818336).

Almost surely, 2^{100566666061115} is an apocalyptic number.

100566666061115 is a deficient number, since it is larger than the sum of its proper divisors (20113333212229).

100566666061115 is an equidigital number, since it uses as much as digits as its factorization.

100566666061115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20113333212228.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 100566666061115 in words is "one hundred trillion, five hundred sixty-six billion, six hundred sixty-six million, sixty-one thousand, one hundred fifteen".