111346950879 has 12 divisors (see below), whose sum is σ = 160891575000. Its totient is φ = 74204951184.

The previous prime is 111346950859. The next prime is 111346950893. The reversal of 111346950879 is 978059643111.

111346950879 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 4 + 69 + 508 + 79 = 666.

It is not a de Polignac number, because 111346950879 - 2⁹ = 111346950367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111346950859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2169004 + ... + 2219745.

It is an arithmetic number, because the mean of its divisors is an integer number (13407631250).

Almost surely, 2^111346950879 is an apocalyptic number.

111346950879 is a deficient number, since it is larger than the sum of its proper divisors (49544624121).

111346950879 is a wasteful number, since it uses less digits than its factorization.

111346950879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4391574 (or 4391571 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 111346950879 in words is "one hundred eleven billion, three hundred forty-six million, nine hundred fifty thousand, eight hundred seventy-nine".