2111192955 has 24 divisors (see below), whose sum is σ = 3662822592. Its totient is φ = 1124916864.

The previous prime is 2111192939. The next prime is 2111192971. The reversal of 2111192955 is 5592911112.

It is an interprime number because it is at equal distance from previous prime (2111192939) and next prime (2111192971).

It is not a de Polignac number, because 2111192955 - 2⁴ = 2111192939 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 27982 + ... + 70748.

It is an arithmetic number, because the mean of its divisors is an integer number (152617608).

Almost surely, 2^2111192955 is an apocalyptic number.

2111192955 is a deficient number, since it is larger than the sum of its proper divisors (1551629637).

2111192955 is a wasteful number, since it uses less digits than its factorization.

2111192955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43875 (or 43872 counting only the distinct ones).

The product of its digits is 8100, while the sum is 36.

The square root of 2111192955 is about 45947.7198019662. The cubic root of 2111192955 is about 1282.8502879113.

The spelling of 2111192955 in words is "two billion, one hundred eleven million, one hundred ninety-two thousand, nine hundred fifty-five".