100610561001 has 4 divisors (see below), whose sum is σ = 134147414672. Its totient is φ = 67073707332.

The previous prime is 100610560937. The next prime is 100610561003. The reversal of 100610561001 is 100165016001.

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 not a de Polignac number, because 100610561001 - 2⁶ = 100610560937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100610561003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16768426831 + ... + 16768426836.

It is an arithmetic number, because the mean of its divisors is an integer number (33536853668).

Almost surely, 2^100610561001 is an apocalyptic number.

It is an amenable number.

100610561001 is a deficient number, since it is larger than the sum of its proper divisors (33536853671).

100610561001 is an equidigital number, since it uses as much as digits as its factorization.

100610561001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33536853670.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 100610561001 its reverse (100165016001), we get a palindrome (200775577002).

The spelling of 100610561001 in words is "one hundred billion, six hundred ten million, five hundred sixty-one thousand, one".