11100645300972 has 48 divisors (see below), whose sum is σ = 25969253732352. Its totient is φ = 3690549219840.

The previous prime is 11100645300929. The next prime is 11100645300973. The reversal of 11100645300972 is 27900354600111.

It is a self number, because there is not a number n which added to its sum of digits gives 11100645300972.

It is not an unprimeable number, because it can be changed into a prime (11100645300973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6388597 + ... + 7938227.

It is an arithmetic number, because the mean of its divisors is an integer number (541026119424).

Almost surely, 2^{11100645300972} is an apocalyptic number.

11100645300972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11100645300972 is an abundant number, since it is smaller than the sum of its proper divisors (14868608431380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11100645300972 is a wasteful number, since it uses less digits than its factorization.

11100645300972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551198 (or 1551196 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 11100645300972 in words is "eleven trillion, one hundred billion, six hundred forty-five million, three hundred thousand, nine hundred seventy-two".