5111271617 has 2 divisors, whose sum is σ = 5111271618. Its totient is φ = 5111271616.

The previous prime is 5111271589. The next prime is 5111271637. The reversal of 5111271617 is 7161721115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3782742016 + 1328529601 = 61504^2 + 36449^2 .

It is a cyclic number.

It is not a de Polignac number, because 5111271617 - 2¹² = 5111267521 is a prime.

It is a super-2 number, since 2×5111271617² = 52250195085499589378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5111271637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555635808 + 2555635809.

It is an arithmetic number, because the mean of its divisors is an integer number (2555635809).

Almost surely, 2^5111271617 is an apocalyptic number.

It is an amenable number.

5111271617 is a deficient number, since it is larger than the sum of its proper divisors (1).

5111271617 is an equidigital number, since it uses as much as digits as its factorization.

5111271617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2940, while the sum is 32.

The square root of 5111271617 is about 71493.1578334598. The cubic root of 5111271617 is about 1722.5677818630.

The spelling of 5111271617 in words is "five billion, one hundred eleven million, two hundred seventy-one thousand, six hundred seventeen".