100172151361 has 4 divisors (see below), whose sum is σ = 100172799792. Its totient is φ = 100171502932.

The previous prime is 100172151349. The next prime is 100172151383. The reversal of 100172151361 is 163151271001.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 100172151361 - 2⁹ = 100172150849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100172152361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56646 + ... + 451168.

It is an arithmetic number, because the mean of its divisors is an integer number (25043199948).

Almost surely, 2^100172151361 is an apocalyptic number.

It is an amenable number.

100172151361 is a deficient number, since it is larger than the sum of its proper divisors (648431).

100172151361 is an equidigital number, since it uses as much as digits as its factorization.

100172151361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648430.

The product of its (nonzero) digits is 1260, while the sum is 28.

The spelling of 100172151361 in words is "one hundred billion, one hundred seventy-two million, one hundred fifty-one thousand, three hundred sixty-one".