100005601001 has 4 divisors (see below), whose sum is σ = 100007174400. Its totient is φ = 100004027604.

The previous prime is 100005600983. The next prime is 100005601009. The reversal of 100005601001 is 100106500001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100005601001 - 2²² = 100001406697 is a prime.

It is a super-2 number, since 2×100005601001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100005601009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687161 + ... + 819878.

It is an arithmetic number, because the mean of its divisors is an integer number (25001793600).

Almost surely, 2^100005601001 is an apocalyptic number.

It is an amenable number.

100005601001 is a deficient number, since it is larger than the sum of its proper divisors (1573399).

100005601001 is an equidigital number, since it uses as much as digits as its factorization.

100005601001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573398.

The product of its (nonzero) digits is 30, while the sum is 14.

The spelling of 100005601001 in words is "one hundred billion, five million, six hundred one thousand, one".