111108462979 has 6 divisors (see below), whose sum is σ = 116957806260. Its totient is φ = 105259272660.

The previous prime is 111108462937. The next prime is 111108462989. The reversal of 111108462979 is 979264801111.

It is not a de Polignac number, because 111108462979 - 2²⁹ = 110571592067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111108462919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1414714 + ... + 1491184.

It is an arithmetic number, because the mean of its divisors is an integer number (19492967710).

Almost surely, 2^111108462979 is an apocalyptic number.

111108462979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

111108462979 is a deficient number, since it is larger than the sum of its proper divisors (5849343281).

111108462979 is an frugal number, since it uses more digits than its factorization.

111108462979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152961 (or 76490 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 49.

The spelling of 111108462979 in words is "one hundred eleven billion, one hundred eight million, four hundred sixty-two thousand, nine hundred seventy-nine".