111247464993 has 64 divisors (see below), whose sum is σ = 185624690688. Its totient is φ = 57793397760.

The previous prime is 111247464983. The next prime is 111247464997. The reversal of 111247464993 is 399464742111.

It is not a de Polignac number, because 111247464993 - 2¹⁰ = 111247463969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (111247464997) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6155296 + ... + 6173342.

It is an arithmetic number, because the mean of its divisors is an integer number (2900385792).

Almost surely, 2^111247464993 is an apocalyptic number.

It is an amenable number.

111247464993 is a deficient number, since it is larger than the sum of its proper divisors (74377225695).

111247464993 is a wasteful number, since it uses less digits than its factorization.

111247464993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18662.

The product of its digits is 1306368, while the sum is 51.

The spelling of 111247464993 in words is "one hundred eleven billion, two hundred forty-seven million, four hundred sixty-four thousand, nine hundred ninety-three".