111860877744 has 960 divisors, whose sum is σ = 436972032000. Its totient is φ = 27271157760.

The previous prime is 111860877721. The next prime is 111860877757. The reversal of 111860877744 is 447778068111.

111860877744 is a `hidden beast` number, since 11 + 18 + 608 + 7 + 7 + 7 + 4 + 4 = 666.

It is a super-2 number, since 2×111860877744² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 304797849 + ... + 304798215.

It is an arithmetic number, because the mean of its divisors is an integer number (455179200).

Almost surely, 2^111860877744 is an apocalyptic number.

111860877744 is a gapful number since it is divisible by the number (14) 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 111860877744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218486016000).

111860877744 is an abundant number, since it is smaller than the sum of its proper divisors (325111154256).

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

111860877744 is a wasteful number, since it uses less digits than its factorization.

111860877744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 54.

The spelling of 111860877744 in words is "one hundred eleven billion, eight hundred sixty million, eight hundred seventy-seven thousand, seven hundred forty-four".