111362131418 has 4 divisors (see below), whose sum is σ = 167043197130. Its totient is φ = 55681065708.

The previous prime is 111362131417. The next prime is 111362131459. The reversal of 111362131418 is 814131263111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 814131263111 = 2069 ⋅393490219.

It can be written as a sum of positive squares in only one way, i.e., 90010200289 + 21351931129 = 300017^2 + 146123^2 .

It is not an unprimeable number, because it can be changed into a prime (111362131411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27840532853 + ... + 27840532856.

Almost surely, 2^111362131418 is an apocalyptic number.

111362131418 is a deficient number, since it is larger than the sum of its proper divisors (55681065712).

111362131418 is an equidigital number, since it uses as much as digits as its factorization.

111362131418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55681065711.

The product of its digits is 3456, while the sum is 32.

Adding to 111362131418 its reverse (814131263111), we get a palindrome (925493394529).

The spelling of 111362131418 in words is "one hundred eleven billion, three hundred sixty-two million, one hundred thirty-one thousand, four hundred eighteen".