11309211680 has 96 divisors (see below), whose sum is σ = 29701582848. Its totient is φ = 4040985600.

The previous prime is 11309211679. The next prime is 11309211691. The reversal of 11309211680 is 8611290311.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23216 + ... + 152175.

It is an arithmetic number, because the mean of its divisors is an integer number (309391488).

Almost surely, 2^11309211680 is an apocalyptic number.

11309211680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11309211680 is an abundant number, since it is smaller than the sum of its proper divisors (18392371168).

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

11309211680 is a wasteful number, since it uses less digits than its factorization.

11309211680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175450 (or 175442 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 11309211680 in words is "eleven billion, three hundred nine million, two hundred eleven thousand, six hundred eighty".