100655650081 has 8 divisors (see below), whose sum is σ = 121801795200. Its totient is φ = 81201196608.

The previous prime is 100655650061. The next prime is 100655650093. The reversal of 100655650081 is 180056556001.

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

It is not a de Polignac number, because 100655650081 - 2¹⁷ = 100655519009 is a prime.

It is a super-2 number, since 2×100655650081² (a number of 23 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 100655650081.

It is not an unprimeable number, because it can be changed into a prime (100655650061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422922781 + ... + 422923018.

It is an arithmetic number, because the mean of its divisors is an integer number (15225224400).

Almost surely, 2^100655650081 is an apocalyptic number.

It is an amenable number.

100655650081 is a deficient number, since it is larger than the sum of its proper divisors (21146145119).

100655650081 is an equidigital number, since it uses as much as digits as its factorization.

100655650081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845845823.

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 100655650081 in words is "one hundred billion, six hundred fifty-five million, six hundred fifty thousand, eighty-one".