111885413870 has 16 divisors (see below), whose sum is σ = 201403933920. Its totient is φ = 44751901344.

The previous prime is 111885413813. The next prime is 111885413879. The reversal of 111885413870 is 78314588111.

111885413870 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×111885413870² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111885413879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67682 + ... + 477861.

It is an arithmetic number, because the mean of its divisors is an integer number (12587745870).

Almost surely, 2^111885413870 is an apocalyptic number.

111885413870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111885413870 is a deficient number, since it is larger than the sum of its proper divisors (89518520050).

111885413870 is a wasteful number, since it uses less digits than its factorization.

111885413870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566059.

The product of its (nonzero) digits is 215040, while the sum is 47.

The spelling of 111885413870 in words is "one hundred eleven billion, eight hundred eighty-five million, four hundred thirteen thousand, eight hundred seventy".