5111552531 has 4 divisors (see below), whose sum is σ = 5162162064. Its totient is φ = 5060943000.

The previous prime is 5111552527. The next prime is 5111552561. The reversal of 5111552531 is 1352551115.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1352551115 = 5 ⋅270510223.

It is a cyclic number.

It is not a de Polignac number, because 5111552531 - 2² = 5111552527 is a prime.

It is a super-2 number, since 2×5111552531² = 52255938554345011922, 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 = 5111552494 and 5111552503.

It is not an unprimeable number, because it can be changed into a prime (5111552561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25304615 + ... + 25304816.

It is an arithmetic number, because the mean of its divisors is an integer number (1290540516).

Almost surely, 2^5111552531 is an apocalyptic number.

5111552531 is a deficient number, since it is larger than the sum of its proper divisors (50609533).

5111552531 is a wasteful number, since it uses less digits than its factorization.

5111552531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50609532.

The product of its digits is 3750, while the sum is 29.

The square root of 5111552531 is about 71495.1224280370. The cubic root of 5111552531 is about 1722.5993385595.

The spelling of 5111552531 in words is "five billion, one hundred eleven million, five hundred fifty-two thousand, five hundred thirty-one".