10571187617 has 2 divisors, whose sum is σ = 10571187618. Its totient is φ = 10571187616.

The previous prime is 10571187607. The next prime is 10571187623. The reversal of 10571187617 is 71678117501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8783250961 + 1787936656 = 93719^2 + 42284^2 .

It is a cyclic number.

It is not a de Polignac number, because 10571187617 - 2¹² = 10571183521 is a prime.

It is a super-2 number, since 2×10571187617² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10571187607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5285593808 + 5285593809.

It is an arithmetic number, because the mean of its divisors is an integer number (5285593809).

Almost surely, 2^10571187617 is an apocalyptic number.

It is an amenable number.

10571187617 is a deficient number, since it is larger than the sum of its proper divisors (1).

10571187617 is an equidigital number, since it uses as much as digits as its factorization.

10571187617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 44.

The spelling of 10571187617 in words is "ten billion, five hundred seventy-one million, one hundred eighty-seven thousand, six hundred seventeen".