111362166552 has 128 divisors (see below), whose sum is σ = 343080783360. Its totient is φ = 29333560320.

The previous prime is 111362166551. The next prime is 111362166557. The reversal of 111362166552 is 255661263111.

It is a super-3 number, since 3×111362166552³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 111362166552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111362166551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1739788 + ... + 1802660.

It is an arithmetic number, because the mean of its divisors is an integer number (2680318620).

Almost surely, 2^111362166552 is an apocalyptic number.

111362166552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111362166552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171540391680).

111362166552 is an abundant number, since it is smaller than the sum of its proper divisors (231718616808).

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

111362166552 is a wasteful number, since it uses less digits than its factorization.

111362166552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63713 (or 63709 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The spelling of 111362166552 in words is "one hundred eleven billion, three hundred sixty-two million, one hundred sixty-six thousand, five hundred fifty-two".