5111609557 has 2 divisors, whose sum is σ = 5111609558. Its totient is φ = 5111609556.

The previous prime is 5111609549. The next prime is 5111609593. The reversal of 5111609557 is 7559061115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3202880836 + 1908728721 = 56594^2 + 43689^2 .

It is a cyclic number.

It is not a de Polignac number, because 5111609557 - 2³ = 5111609549 is a prime.

It is a super-2 number, since 2×5111609557² = 52257104526427472498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5111609507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555804778 + 2555804779.

It is an arithmetic number, because the mean of its divisors is an integer number (2555804779).

Almost surely, 2^5111609557 is an apocalyptic number.

It is an amenable number.

5111609557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5111609557 is an equidigital number, since it uses as much as digits as its factorization.

5111609557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 40.

The square root of 5111609557 is about 71495.5212373474. The cubic root of 5111609557 is about 1722.6057444791.

The spelling of 5111609557 in words is "five billion, one hundred eleven million, six hundred nine thousand, five hundred fifty-seven".