100806313026081 has 32 divisors (see below), whose sum is σ = 151317023800320. Its totient is φ = 59229016951104.

The previous prime is 100806313026079. The next prime is 100806313026253. The reversal of 100806313026081 is 180620313608001.

It is not a de Polignac number, because 100806313026081 - 2¹ = 100806313026079 is a prime.

It is a super-2 number, since 2×100806313026081² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (100806313026031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102234771 + ... + 103216088.

It is an arithmetic number, because the mean of its divisors is an integer number (4728656993760).

Almost surely, 2^{100806313026081} is an apocalyptic number.

It is an amenable number.

100806313026081 is a deficient number, since it is larger than the sum of its proper divisors (50510710774239).

100806313026081 is a wasteful number, since it uses less digits than its factorization.

100806313026081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205451445.

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 100806313026081 in words is "one hundred trillion, eight hundred six billion, three hundred thirteen million, twenty-six thousand, eighty-one".