100061156601 has 96 divisors (see below), whose sum is σ = 174337945600. Its totient is φ = 56170558080.

The previous prime is 100061156557. The next prime is 100061156623. The reversal of 100061156601 is 106651160001.

100061156601 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 6 + 1 + 1 + 56 + 601 = 666.

It is not a de Polignac number, because 100061156601 - 2⁶ = 100061156537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (100061158601) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28352205 + ... + 28355733.

Almost surely, 2^100061156601 is an apocalyptic number.

It is an amenable number.

100061156601 is a deficient number, since it is larger than the sum of its proper divisors (74276788999).

100061156601 is an equidigital number, since it uses as much as digits as its factorization.

100061156601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841 (or 3829 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 100061156601 in words is "one hundred billion, sixty-one million, one hundred fifty-six thousand, six hundred one".