5011103991 has 32 divisors (see below), whose sum is σ = 7337919168. Its totient is φ = 3028838400.

The previous prime is 5011103939. The next prime is 5011104011. The reversal of 5011103991 is 1993011105.

It is not a de Polignac number, because 5011103991 - 2¹⁵ = 5011071223 is a prime.

It is a super-2 number, since 2×5011103991² = 50222326417232256162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5011103191) 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 31 ways as a sum of consecutive naturals, for example, 177441 + ... + 203733.

It is an arithmetic number, because the mean of its divisors is an integer number (229309974).

Almost surely, 2^5011103991 is an apocalyptic number.

5011103991 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5011103991 is a deficient number, since it is larger than the sum of its proper divisors (2326815177).

5011103991 is a wasteful number, since it uses less digits than its factorization.

5011103991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26451.

The product of its (nonzero) digits is 1215, while the sum is 30.

The square root of 5011103991 is about 70789.1516476925. The cubic root of 5011103991 is about 1711.2408479429.

The spelling of 5011103991 in words is "five billion, eleven million, one hundred three thousand, nine hundred ninety-one".