111347977507 has 16 divisors (see below), whose sum is σ = 122722592608. Its totient is φ = 100375511040.

The previous prime is 111347977501. The next prime is 111347977537. The reversal of 111347977507 is 705779743111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111347977507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111347977501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4280713 + ... + 4306645.

It is an arithmetic number, because the mean of its divisors is an integer number (7670162038).

Almost surely, 2^111347977507 is an apocalyptic number.

111347977507 is a deficient number, since it is larger than the sum of its proper divisors (11374615101).

111347977507 is a wasteful number, since it uses less digits than its factorization.

111347977507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33670.

The product of its (nonzero) digits is 1296540, while the sum is 52.

The spelling of 111347977507 in words is "one hundred eleven billion, three hundred forty-seven million, nine hundred seventy-seven thousand, five hundred seven".