111348036778 has 8 divisors (see below), whose sum is σ = 182205878400. Its totient is φ = 50612743980.

The previous prime is 111348036739. The next prime is 111348036781. The reversal of 111348036778 is 877630843111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530637178 + ... + 2530637221.

It is an arithmetic number, because the mean of its divisors is an integer number (22775734800).

Almost surely, 2^111348036778 is an apocalyptic number.

111348036778 is a deficient number, since it is larger than the sum of its proper divisors (70857841622).

111348036778 is a wasteful number, since it uses less digits than its factorization.

111348036778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061274412.

The product of its (nonzero) digits is 677376, while the sum is 49.

Adding to 111348036778 its reverse (877630843111), we get a palindrome (988978879889).

The spelling of 111348036778 in words is "one hundred eleven billion, three hundred forty-eight million, thirty-six thousand, seven hundred seventy-eight".