111163212513 has 16 divisors (see below), whose sum is σ = 169137221760. Its totient is φ = 72105866928.

The previous prime is 111163212481. The next prime is 111163212541. The reversal of 111163212513 is 315212361111.

111163212513 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 632 + 1 + 25 + 1 + 3 = 666.

It is not a de Polignac number, because 111163212513 - 2⁵ = 111163212481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (111163212553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55636245 + ... + 55638242.

It is an arithmetic number, because the mean of its divisors is an integer number (10571076360).

Almost surely, 2^111163212513 is an apocalyptic number.

It is an amenable number.

111163212513 is a deficient number, since it is larger than the sum of its proper divisors (57974009247).

111163212513 is a wasteful number, since it uses less digits than its factorization.

111163212513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111274533 (or 111274527 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

Adding to 111163212513 its reverse (315212361111), we get a palindrome (426375573624).

The spelling of 111163212513 in words is "one hundred eleven billion, one hundred sixty-three million, two hundred twelve thousand, five hundred thirteen".