5001131123 has 2 divisors, whose sum is σ = 5001131124. Its totient is φ = 5001131122.

The previous prime is 5001131119. The next prime is 5001131129. The reversal of 5001131123 is 3211311005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5001131123 - 2² = 5001131119 is a prime.

It is a super-2 number, since 2×5001131123² = 50022625018878482258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5001131129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500565561 + 2500565562.

It is an arithmetic number, because the mean of its divisors is an integer number (2500565562).

Almost surely, 2^5001131123 is an apocalyptic number.

5001131123 is a deficient number, since it is larger than the sum of its proper divisors (1).

5001131123 is an equidigital number, since it uses as much as digits as its factorization.

5001131123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 5001131123 is about 70718.6759137924. The cubic root of 5001131123 is about 1710.1048831625.

Adding to 5001131123 its reverse (3211311005), we get a palindrome (8212442128).

The spelling of 5001131123 in words is "five billion, one million, one hundred thirty-one thousand, one hundred twenty-three".