5015310311123 has 4 divisors (see below), whose sum is σ = 5731783212720. Its totient is φ = 4298837409528.

The previous prime is 5015310311111. The next prime is 5015310311129. The reversal of 5015310311123 is 3211130135105.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5015310311123 - 2⁴ = 5015310311107 is a prime.

It is a super-2 number, since 2×5015310311123² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5015310311092 and 5015310311101.

It is not an unprimeable number, because it can be changed into a prime (5015310311129) 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, 358236450788 + ... + 358236450801.

It is an arithmetic number, because the mean of its divisors is an integer number (1432945803180).

Almost surely, 2^{5015310311123} is an apocalyptic number.

5015310311123 is a deficient number, since it is larger than the sum of its proper divisors (716472901597).

5015310311123 is an equidigital number, since it uses as much as digits as its factorization.

5015310311123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716472901596.

The product of its (nonzero) digits is 1350, while the sum is 26.

Adding to 5015310311123 its reverse (3211130135105), we get a palindrome (8226440446228).

The spelling of 5015310311123 in words is "five trillion, fifteen billion, three hundred ten million, three hundred eleven thousand, one hundred twenty-three".