111706770252 has 192 divisors, whose sum is σ = 333301506048. Its totient is φ = 28272192000.

The previous prime is 111706770239. The next prime is 111706770299. The reversal of 111706770252 is 252077607111.

It is a happy number.

It is a super-2 number, since 2×111706770252² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111706770252.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46330927 + ... + 46333337.

It is an arithmetic number, because the mean of its divisors is an integer number (1735945344).

Almost surely, 2^111706770252 is an apocalyptic number.

111706770252 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 111706770252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166650753024).

111706770252 is an abundant number, since it is smaller than the sum of its proper divisors (221594735796).

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

111706770252 is a wasteful number, since it uses less digits than its factorization.

111706770252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700 (or 3698 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 39.

The spelling of 111706770252 in words is "one hundred eleven billion, seven hundred six million, seven hundred seventy thousand, two hundred fifty-two".