111818537354 has 8 divisors (see below), whose sum is σ = 167869831428. Its totient is φ = 55861926880.

The previous prime is 111818537353. The next prime is 111818537393. The reversal of 111818537354 is 453735818111.

It can be written as a sum of positive squares in 2 ways, for example, as 111212245225 + 606292129 = 333485^2 + 24623^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 111818537299 and 111818537308.

It is not an unprimeable number, because it can be changed into a prime (111818537353) 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, 23667947 + ... + 23672670.

Almost surely, 2^111818537354 is an apocalyptic number.

111818537354 is a deficient number, since it is larger than the sum of its proper divisors (56051294074).

111818537354 is a wasteful number, since it uses less digits than its factorization.

111818537354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47341800.

The product of its digits is 403200, while the sum is 47.

The spelling of 111818537354 in words is "one hundred eleven billion, eight hundred eighteen million, five hundred thirty-seven thousand, three hundred fifty-four".