111769056 has 72 divisors (see below), whose sum is σ = 363255984. Its totient is φ = 31933440.

The previous prime is 111769051. The next prime is 111769109. The reversal of 111769056 is 650967111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×111769056² = 24984643758262272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 111769056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111769051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25705 + ... + 29736.

It is an arithmetic number, because the mean of its divisors is an integer number (5045222).

Almost surely, 2^111769056 is an apocalyptic number.

111769056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111769056 is an abundant number, since it is smaller than the sum of its proper divisors (251486928).

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

111769056 is a wasteful number, since it uses less digits than its factorization.

111769056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55464 (or 55453 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 111769056 is about 10572.0885353841. The cubic root of 111769056 is about 481.6969106273.

The spelling of 111769056 in words is "one hundred eleven million, seven hundred sixty-nine thousand, fifty-six".