11251752517 has 2 divisors, whose sum is σ = 11251752518. Its totient is φ = 11251752516.

The previous prime is 11251752487. The next prime is 11251752541. The reversal of 11251752517 is 71525715211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9164998756 + 2086753761 = 95734^2 + 45681^2 .

It is an emirp because it is prime and its reverse (71525715211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11251752517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11251752217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5625876258 + 5625876259.

It is an arithmetic number, because the mean of its divisors is an integer number (5625876259).

Almost surely, 2^11251752517 is an apocalyptic number.

It is an amenable number.

11251752517 is a deficient number, since it is larger than the sum of its proper divisors (1).

11251752517 is an equidigital number, since it uses as much as digits as its factorization.

11251752517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24500, while the sum is 37.

The spelling of 11251752517 in words is "eleven billion, two hundred fifty-one million, seven hundred fifty-two thousand, five hundred seventeen".