5015131123 has 4 divisors (see below), whose sum is σ = 5020427880. Its totient is φ = 5009834368.

The previous prime is 5015131109. The next prime is 5015131127. The reversal of 5015131123 is 3211315105.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5015131123 is a prime.

It is a super-2 number, since 2×5015131123² = 50303080361766482258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5015131094 and 5015131103.

It is not an unprimeable number, because it can be changed into a prime (5015131127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2646958 + ... + 2648851.

It is an arithmetic number, because the mean of its divisors is an integer number (1255106970).

Almost surely, 2^5015131123 is an apocalyptic number.

5015131123 is a deficient number, since it is larger than the sum of its proper divisors (5296757).

5015131123 is an equidigital number, since it uses as much as digits as its factorization.

5015131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296756.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 5015131123 is about 70817.5904913461. The cubic root of 5015131123 is about 1711.6991333523.

Adding to 5015131123 its reverse (3211315105), we get a palindrome (8226446228).

The spelling of 5015131123 in words is "five billion, fifteen million, one hundred thirty-one thousand, one hundred twenty-three".