11612200571 has 4 divisors (see below), whose sum is σ = 11612655000. Its totient is φ = 11611746144.

The previous prime is 11612200553. The next prime is 11612200597. The reversal of 11612200571 is 17500221611.

11612200571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17500221611 = 107 ⋅163553473.

It is a cyclic number.

It is not a de Polignac number, because 11612200571 - 2³⁰ = 10538458747 is a prime.

It is a super-2 number, since 2×11612200571² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11612200571.

It is not an unprimeable number, because it can be changed into a prime (11612200541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186446 + ... + 240803.

It is an arithmetic number, because the mean of its divisors is an integer number (2903163750).

Almost surely, 2^11612200571 is an apocalyptic number.

11612200571 is a deficient number, since it is larger than the sum of its proper divisors (454429).

11612200571 is an equidigital number, since it uses as much as digits as its factorization.

11612200571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454428.

The product of its (nonzero) digits is 840, while the sum is 26.

The spelling of 11612200571 in words is "eleven billion, six hundred twelve million, two hundred thousand, five hundred seventy-one".