4111103991 has 16 divisors (see below), whose sum is σ = 5503282400. Its totient is φ = 2729852928.

The previous prime is 4111103957. The next prime is 4111104017. The reversal of 4111103991 is 1993011114.

It is a happy number.

It is not a de Polignac number, because 4111103991 - 2²⁵ = 4077549559 is a prime.

It is a super-2 number, since 2×4111103991² = 33802352049632256162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4111103911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941385 + ... + 945741.

It is an arithmetic number, because the mean of its divisors is an integer number (343955150).

Almost surely, 2^4111103991 is an apocalyptic number.

4111103991 is a deficient number, since it is larger than the sum of its proper divisors (1392178409).

4111103991 is a wasteful number, since it uses less digits than its factorization.

4111103991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5538.

The product of its (nonzero) digits is 972, while the sum is 30.

The square root of 4111103991 is about 64117.8913486712. The cubic root of 4111103991 is about 1601.9642530766.

The spelling of 4111103991 in words is "four billion, one hundred eleven million, one hundred three thousand, nine hundred ninety-one".