111512465416 has 64 divisors (see below), whose sum is σ = 230873328000. Its totient is φ = 50072064000.

The previous prime is 111512465399. The next prime is 111512465453. The reversal of 111512465416 is 614564215111.

It is a super-3 number, since 3×111512465416³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3976741 + ... + 4004683.

It is an arithmetic number, because the mean of its divisors is an integer number (3607395750).

Almost surely, 2^111512465416 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 111512465416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115436664000).

111512465416 is an abundant number, since it is smaller than the sum of its proper divisors (119360862584).

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

111512465416 is a wasteful number, since it uses less digits than its factorization.

111512465416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28510 (or 28506 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The spelling of 111512465416 in words is "one hundred eleven billion, five hundred twelve million, four hundred sixty-five thousand, four hundred sixteen".