11882657557 has 2 divisors, whose sum is σ = 11882657558. Its totient is φ = 11882657556.

The previous prime is 11882657537. The next prime is 11882657561. The reversal of 11882657557 is 75575628811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8993487556 + 2889170001 = 94834^2 + 53751^2 .

It is an emirp because it is prime and its reverse (75575628811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11882657557 - 2³¹ = 9735173909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11882657498 and 11882657507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11882657537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5941328778 + 5941328779.

It is an arithmetic number, because the mean of its divisors is an integer number (5941328779).

Almost surely, 2^11882657557 is an apocalyptic number.

It is an amenable number.

11882657557 is a deficient number, since it is larger than the sum of its proper divisors (1).

11882657557 is an equidigital number, since it uses as much as digits as its factorization.

11882657557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704000, while the sum is 55.

The spelling of 11882657557 in words is "eleven billion, eight hundred eighty-two million, six hundred fifty-seven thousand, five hundred fifty-seven".