111157079747 has 16 divisors (see below), whose sum is σ = 128317243392. Its totient is φ = 94317743520.

The previous prime is 111157079741. The next prime is 111157079777. The reversal of 111157079747 is 747970751111.

It is not a de Polignac number, because 111157079747 - 2³² = 106862112451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111157079695 and 111157079704.

It is not an unprimeable number, because it can be changed into a prime (111157079741) 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, 2035838 + ... + 2089724.

It is an arithmetic number, because the mean of its divisors is an integer number (8019827712).

Almost surely, 2^111157079747 is an apocalyptic number.

111157079747 is a deficient number, since it is larger than the sum of its proper divisors (17160163645).

111157079747 is a wasteful number, since it uses less digits than its factorization.

111157079747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56858.

The product of its (nonzero) digits is 432180, while the sum is 50.

The spelling of 111157079747 in words is "one hundred eleven billion, one hundred fifty-seven million, seventy-nine thousand, seven hundred forty-seven".