111199001679 has 6 divisors (see below), whose sum is σ = 160620780216. Its totient is φ = 74132667780.

The previous prime is 111199001653. The next prime is 111199001689. The reversal of 111199001679 is 976100991111.

It is not a de Polignac number, because 111199001679 - 2⁸ = 111199001423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111199001689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6177722307 + ... + 6177722324.

It is an arithmetic number, because the mean of its divisors is an integer number (26770130036).

Almost surely, 2^111199001679 is an apocalyptic number.

111199001679 is a deficient number, since it is larger than the sum of its proper divisors (49421778537).

111199001679 is a wasteful number, since it uses less digits than its factorization.

111199001679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12355444637 (or 12355444634 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 45.

The spelling of 111199001679 in words is "one hundred eleven billion, one hundred ninety-nine million, one thousand, six hundred seventy-nine".