11553104552571 has 12 divisors (see below), whose sum is σ = 16693650586080. Its totient is φ = 7699377594480.

The previous prime is 11553104552533. The next prime is 11553104552581. The reversal of 11553104552571 is 17525540135511.

11553104552571 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 3 + 10 + 45 + 525 + 71 = 666.

11553104552571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11553104552571 - 2⁷ = 11553104552443 is a prime.

It is a super-2 number, since 2×11553104552571² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11553104552581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224315091 + ... + 224366588.

It is an arithmetic number, because the mean of its divisors is an integer number (1391137548840).

Almost surely, 2^{11553104552571} is an apocalyptic number.

11553104552571 is a deficient number, since it is larger than the sum of its proper divisors (5140546033509).

11553104552571 is a wasteful number, since it uses less digits than its factorization.

11553104552571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448684546 (or 448684543 counting only the distinct ones).

The product of its (nonzero) digits is 525000, while the sum is 45.

The spelling of 11553104552571 in words is "eleven trillion, five hundred fifty-three billion, one hundred four million, five hundred fifty-two thousand, five hundred seventy-one".