11572601717 has 2 divisors, whose sum is σ = 11572601718. Its totient is φ = 11572601716.

The previous prime is 11572601707. The next prime is 11572601741. The reversal of 11572601717 is 71710627511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8970173521 + 2602428196 = 94711^2 + 51014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11572601717 is a prime.

It is a super-2 number, since 2×11572601717² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11572601707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5786300858 + 5786300859.

It is an arithmetic number, because the mean of its divisors is an integer number (5786300859).

Almost surely, 2^11572601717 is an apocalyptic number.

It is an amenable number.

11572601717 is a deficient number, since it is larger than the sum of its proper divisors (1).

11572601717 is an equidigital number, since it uses as much as digits as its factorization.

11572601717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580, while the sum is 38.

The spelling of 11572601717 in words is "eleven billion, five hundred seventy-two million, six hundred one thousand, seven hundred seventeen".