11557228058811 has 24 divisors (see below), whose sum is σ = 17157444841680. Its totient is φ = 7491120065856.

The previous prime is 11557228058807. The next prime is 11557228058903. The reversal of 11557228058811 is 11885082275511.

11557228058811 is a `hidden beast` number, since 1 + 1 + 5 + 57 + 2 + 2 + 8 + 0 + 588 + 1 + 1 = 666.

It is not a de Polignac number, because 11557228058811 - 2² = 11557228058807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11557228054811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12181681 + ... + 13096098.

It is an arithmetic number, because the mean of its divisors is an integer number (714893535070).

Almost surely, 2^{11557228058811} is an apocalyptic number.

11557228058811 is a deficient number, since it is larger than the sum of its proper divisors (5600216782869).

11557228058811 is a wasteful number, since it uses less digits than its factorization.

11557228058811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25279195 (or 25279192 counting only the distinct ones).

The product of its (nonzero) digits is 1792000, while the sum is 54.

The spelling of 11557228058811 in words is "eleven trillion, five hundred fifty-seven billion, two hundred twenty-eight million, fifty-eight thousand, eight hundred eleven".