1111098979 has 2 divisors, whose sum is σ = 1111098980. Its totient is φ = 1111098978.

The previous prime is 1111098977. The next prime is 1111099027. The reversal of 1111098979 is 9798901111.

It is a weak prime.

It is an emirp because it is prime and its reverse (9798901111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111098979 - 2¹ = 1111098977 is a prime.

It is a super-2 number, since 2×1111098979² = 2469081882269684882, which contains 22 as substring.

Together with 1111098977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1111098977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555549489 + 555549490.

It is an arithmetic number, because the mean of its divisors is an integer number (555549490).

Almost surely, 2^1111098979 is an apocalyptic number.

1111098979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111098979 is an equidigital number, since it uses as much as digits as its factorization.

1111098979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 46.

The square root of 1111098979 is about 33333.1513511699. The cubic root of 1111098979 is about 1035.7403989086.

The spelling of 1111098979 in words is "one billion, one hundred eleven million, ninety-eight thousand, nine hundred seventy-nine".