5100011903 has 16 divisors (see below), whose sum is σ = 6048153600. Its totient is φ = 4208241600.

The previous prime is 5100011899. The next prime is 5100011911. The reversal of 5100011903 is 3091100015.

It is a cyclic number.

It is not a de Polignac number, because 5100011903 - 2² = 5100011899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5100011963) 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, 20078 + ... + 102971.

It is an arithmetic number, because the mean of its divisors is an integer number (378009600).

Almost surely, 2^5100011903 is an apocalyptic number.

5100011903 is a deficient number, since it is larger than the sum of its proper divisors (948141697).

5100011903 is a wasteful number, since it uses less digits than its factorization.

5100011903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123278.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 5100011903 is about 71414.3676230491. The cubic root of 5100011903 is about 1721.3019598522.

Adding to 5100011903 its reverse (3091100015), we get a palindrome (8191111918).

The spelling of 5100011903 in words is "five billion, one hundred million, eleven thousand, nine hundred three".