111215012313 has 8 divisors (see below), whose sum is σ = 148430236768. Its totient is φ = 74071564704.

The previous prime is 111215012309. The next prime is 111215012431. The reversal of 111215012313 is 313210512111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111215012313 - 2² = 111215012309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111215012313.

It is not an unprimeable number, because it can be changed into a prime (111215052313) 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, 17940595 + ... + 17946792.

It is an arithmetic number, because the mean of its divisors is an integer number (18553779596).

Almost surely, 2^111215012313 is an apocalyptic number.

It is an amenable number.

111215012313 is a deficient number, since it is larger than the sum of its proper divisors (37215224455).

111215012313 is a wasteful number, since it uses less digits than its factorization.

111215012313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35888423.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 111215012313 its reverse (313210512111), we get a palindrome (424425524424).

The spelling of 111215012313 in words is "one hundred eleven billion, two hundred fifteen million, twelve thousand, three hundred thirteen".