11257554611 has 2 divisors, whose sum is σ = 11257554612. Its totient is φ = 11257554610.

The previous prime is 11257554593. The next prime is 11257554617. The reversal of 11257554611 is 11645575211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11257554611 is a prime.

It is a super-2 number, since 2×11257554611² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11257554617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628777305 + 5628777306.

It is an arithmetic number, because the mean of its divisors is an integer number (5628777306).

Almost surely, 2^11257554611 is an apocalyptic number.

11257554611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11257554611 is an equidigital number, since it uses as much as digits as its factorization.

11257554611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42000, while the sum is 38.

The spelling of 11257554611 in words is "eleven billion, two hundred fifty-seven million, five hundred fifty-four thousand, six hundred eleven".