5111500613 has 2 divisors, whose sum is σ = 5111500614. Its totient is φ = 5111500612.

The previous prime is 5111500591. The next prime is 5111500621. The reversal of 5111500613 is 3160051115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4211620609 + 899880004 = 64897^2 + 29998^2 .

It is a cyclic number.

It is not a de Polignac number, because 5111500613 - 2⁶ = 5111500549 is a prime.

It is a super-2 number, since 2×5111500613² = 52254877033398751538, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5111500663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555750306 + 2555750307.

It is an arithmetic number, because the mean of its divisors is an integer number (2555750307).

Almost surely, 2^5111500613 is an apocalyptic number.

It is an amenable number.

5111500613 is a deficient number, since it is larger than the sum of its proper divisors (1).

5111500613 is an equidigital number, since it uses as much as digits as its factorization.

5111500613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 5111500613 is about 71494.7593394089. The cubic root of 5111500613 is about 1722.5935063969.

Adding to 5111500613 its reverse (3160051115), we get a palindrome (8271551728).

The spelling of 5111500613 in words is "five billion, one hundred eleven million, five hundred thousand, six hundred thirteen".