100266772991 has 8 divisors (see below), whose sum is σ = 125007924864. Its totient is φ = 78129952920.

The previous prime is 100266772981. The next prime is 100266773053. The reversal of 100266772991 is 199277662001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100266772991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100266772951) 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 7 ways as a sum of consecutive naturals, for example, 651082865 + ... + 651083018.

It is an arithmetic number, because the mean of its divisors is an integer number (15625990608).

Almost surely, 2^100266772991 is an apocalyptic number.

100266772991 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100266772991 is a deficient number, since it is larger than the sum of its proper divisors (24741151873).

100266772991 is a wasteful number, since it uses less digits than its factorization.

100266772991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302165901.

The product of its (nonzero) digits is 571536, while the sum is 50.

The spelling of 100266772991 in words is "one hundred billion, two hundred sixty-six million, seven hundred seventy-two thousand, nine hundred ninety-one".