111111544931353 has 4 divisors (see below), whose sum is σ = 111847382977408. Its totient is φ = 110375706885300.

The previous prime is 111111544931339. The next prime is 111111544931377. The reversal of 111111544931353 is 353139445111111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111111544931353 - 2³⁷ = 110974105977881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111111544931393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367919022801 + ... + 367919023102.

It is an arithmetic number, because the mean of its divisors is an integer number (27961845744352).

Almost surely, 2^{111111544931353} is an apocalyptic number.

It is an amenable number.

111111544931353 is a deficient number, since it is larger than the sum of its proper divisors (735838046055).

111111544931353 is an equidigital number, since it uses as much as digits as its factorization.

111111544931353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735838046054.

The product of its digits is 97200, while the sum is 43.

The spelling of 111111544931353 in words is "one hundred eleven trillion, one hundred eleven billion, five hundred forty-four million, nine hundred thirty-one thousand, three hundred fifty-three".