111318149811 has 16 divisors (see below), whose sum is σ = 168957192960. Its totient is φ = 64532260320.

The previous prime is 111318149773. The next prime is 111318149819. The reversal of 111318149811 is 118941813111.

It is not a de Polignac number, because 111318149811 - 2²⁹ = 110781278899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111318149811.

It is not an unprimeable number, because it can be changed into a prime (111318149819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73331356 + ... + 73332873.

It is an arithmetic number, because the mean of its divisors is an integer number (10559824560).

Almost surely, 2^111318149811 is an apocalyptic number.

111318149811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111318149811 is a deficient number, since it is larger than the sum of its proper divisors (57639043149).

111318149811 is a wasteful number, since it uses less digits than its factorization.

111318149811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146664266.

The product of its digits is 6912, while the sum is 39.

The spelling of 111318149811 in words is "one hundred eleven billion, three hundred eighteen million, one hundred forty-nine thousand, eight hundred eleven".