111153877968 has 160 divisors (see below), whose sum is σ = 342070994944. Its totient is φ = 30438498816.

The previous prime is 111153877949. The next prime is 111153877979. The reversal of 111153877968 is 869778351111.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

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 31 ways as a sum of consecutive naturals, for example, 766221 + ... + 899667.

Almost surely, 2^111153877968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111153877968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171035497472).

111153877968 is an abundant number, since it is smaller than the sum of its proper divisors (230917116976).

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

111153877968 is a wasteful number, since it uses less digits than its factorization.

111153877968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133569 (or 133563 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 57.

It can be divided in two parts, 111153 and 877968, that added together give a triangular number (989121 = T₁₄₀₆).

The spelling of 111153877968 in words is "one hundred eleven billion, one hundred fifty-three million, eight hundred seventy-seven thousand, nine hundred sixty-eight".