111512646513 has 8 divisors (see below), whose sum is σ = 165203920800. Its totient is φ = 74341764324.

The previous prime is 111512646457. The next prime is 111512646577. The reversal of 111512646513 is 315646215111.

111512646513 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 1 + 2 + 646 + 5 + 1 + 3 = 666.

It is not a de Polignac number, because 111512646513 - 2⁶ = 111512646449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111512656513) 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, 2065048983 + ... + 2065049036.

It is an arithmetic number, because the mean of its divisors is an integer number (20650490100).

Almost surely, 2^111512646513 is an apocalyptic number.

It is an amenable number.

111512646513 is a deficient number, since it is larger than the sum of its proper divisors (53691274287).

111512646513 is an equidigital number, since it uses as much as digits as its factorization.

111512646513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130098028 (or 4130098022 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The spelling of 111512646513 in words is "one hundred eleven billion, five hundred twelve million, six hundred forty-six thousand, five hundred thirteen".