11161200151571 has 4 divisors (see below), whose sum is σ = 11164581312144. Its totient is φ = 11157818991000.

The previous prime is 11161200151559. The next prime is 11161200151609. The reversal of 11161200151571 is 17515100216111.

11161200151571 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11161200151571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11161200151501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690575335 + ... + 1690581936.

It is an arithmetic number, because the mean of its divisors is an integer number (2791145328036).

Almost surely, 2^{11161200151571} is an apocalyptic number.

11161200151571 is a deficient number, since it is larger than the sum of its proper divisors (3381160573).

11161200151571 is an equidigital number, since it uses as much as digits as its factorization.

11161200151571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381160572.

The product of its (nonzero) digits is 2100, while the sum is 32.

Adding to 11161200151571 its reverse (17515100216111), we get a palindrome (28676300367682).

The spelling of 11161200151571 in words is "eleven trillion, one hundred sixty-one billion, two hundred million, one hundred fifty-one thousand, five hundred seventy-one".