111879571008 has 112 divisors (see below), whose sum is σ = 303240464384. Its totient is φ = 36392509440.

The previous prime is 111879571003. The next prime is 111879571009. The reversal of 111879571008 is 800175978111.

It is a super-2 number, since 2×111879571008² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (111879571003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1449816 + ... + 1525032.

Almost surely, 2^111879571008 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 111879571008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151620232192).

111879571008 is an abundant number, since it is smaller than the sum of its proper divisors (191360893376).

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

111879571008 is a wasteful number, since it uses less digits than its factorization.

111879571008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75420 (or 75410 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 48.

The spelling of 111879571008 in words is "one hundred eleven billion, eight hundred seventy-nine million, five hundred seventy-one thousand, eight".