111191295316672 has 56 divisors (see below), whose sum is σ = 221410351519280. Its totient is φ = 55402936243200.

The previous prime is 111191295316589. The next prime is 111191295316721. The reversal of 111191295316672 is 276613592191111.

It is a happy number.

It is a super-2 number, since 2×111191295316672² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93503422 + ... + 94685122.

It is an arithmetic number, because the mean of its divisors is an integer number (3953756277130).

Almost surely, 2^{111191295316672} is an apocalyptic number.

It is an amenable number.

111191295316672 is a deficient number, since it is larger than the sum of its proper divisors (110219056202608).

111191295316672 is a wasteful number, since it uses less digits than its factorization.

111191295316672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186809 (or 1186799 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 55.

The spelling of 111191295316672 in words is "one hundred eleven trillion, one hundred ninety-one billion, two hundred ninety-five million, three hundred sixteen thousand, six hundred seventy-two".