111361544353 has 4 divisors (see below), whose sum is σ = 114371315860. Its totient is φ = 108351772848.

The previous prime is 111361544303. The next prime is 111361544381. The reversal of 111361544353 is 353445163111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46324813824 + 65036730529 = 215232^2 + 255023^2 .

It is a cyclic number.

It is not a de Polignac number, because 111361544353 - 2¹³ = 111361536161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 3009771469 = 111361544353 / (1 + 1 + 1 + 3 + 6 + 1 + 5 + 4 + 4 + 3 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111361544303) 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, 1504885698 + ... + 1504885771.

It is an arithmetic number, because the mean of its divisors is an integer number (28592828965).

Almost surely, 2^111361544353 is an apocalyptic number.

It is an amenable number.

111361544353 is a deficient number, since it is larger than the sum of its proper divisors (3009771507).

111361544353 is an equidigital number, since it uses as much as digits as its factorization.

111361544353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009771506.

The product of its digits is 64800, while the sum is 37.

The spelling of 111361544353 in words is "one hundred eleven billion, three hundred sixty-one million, five hundred forty-four thousand, three hundred fifty-three".