11111783468972 has 6 divisors (see below), whose sum is σ = 19445621070708. Its totient is φ = 5555891734484.

The previous prime is 11111783468927. The next prime is 11111783469013. The reversal of 11111783468972 is 27986438711111.

It is a super-2 number, since 2×11111783468972² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388972933618 + ... + 1388972933625.

It is an arithmetic number, because the mean of its divisors is an integer number (3240936845118).

Almost surely, 2^{11111783468972} is an apocalyptic number.

It is an amenable number.

11111783468972 is a deficient number, since it is larger than the sum of its proper divisors (8333837601736).

11111783468972 is a wasteful number, since it uses less digits than its factorization.

11111783468972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777945867247 (or 2777945867245 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 59.

The spelling of 11111783468972 in words is "eleven trillion, one hundred eleven billion, seven hundred eighty-three million, four hundred sixty-eight thousand, nine hundred seventy-two".