111362166553 has 16 divisors (see below), whose sum is σ = 124208123904. Its totient is φ = 98974665360.

The previous prime is 111362166551. The next prime is 111362166557. The reversal of 111362166553 is 355661263111.

It is a cyclic number.

It is not a de Polignac number, because 111362166553 - 2¹ = 111362166551 is a prime.

It is a super-2 number, since 2×111362166553² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111362166551) 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 15 ways as a sum of consecutive naturals, for example, 350176 + ... + 587662.

It is an arithmetic number, because the mean of its divisors is an integer number (7763007744).

Almost surely, 2^111362166553 is an apocalyptic number.

It is an amenable number.

111362166553 is a deficient number, since it is larger than the sum of its proper divisors (12845957351).

111362166553 is a wasteful number, since it uses less digits than its factorization.

111362166553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238452.

The product of its digits is 97200, while the sum is 40.

The spelling of 111362166553 in words is "one hundred eleven billion, three hundred sixty-two million, one hundred sixty-six thousand, five hundred fifty-three".