100555010500001 has 8 divisors (see below), whose sum is σ = 100978893649920. Its totient is φ = 100131780988512.

The previous prime is 100555010499973. The next prime is 100555010500031. The reversal of 100555010500001 is 100005010555001.

It is a happy number.

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 100555010500001 - 2²² = 100555006305697 is a prime.

It is a super-2 number, since 2×100555010500001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100555010500001.

It is not an unprimeable number, because it can be changed into a prime (100555010500031) 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, 163101281 + ... + 163716638.

It is an arithmetic number, because the mean of its divisors is an integer number (12622361706240).

Almost surely, 2^{100555010500001} is an apocalyptic number.

It is an amenable number.

100555010500001 is a deficient number, since it is larger than the sum of its proper divisors (423883149919).

100555010500001 is an equidigital number, since it uses as much as digits as its factorization.

100555010500001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326819215.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 100555010500001 in words is "one hundred trillion, five hundred fifty-five billion, ten million, five hundred thousand, one".