11364160561 has 16 divisors (see below), whose sum is σ = 12965097600. Its totient is φ = 9867702528.

The previous prime is 11364160559. The next prime is 11364160567. The reversal of 11364160561 is 16506146311.

It is a cyclic number.

It is not a de Polignac number, because 11364160561 - 2¹ = 11364160559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11364160567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438010 + ... + 463228.

It is an arithmetic number, because the mean of its divisors is an integer number (810318600).

Almost surely, 2^11364160561 is an apocalyptic number.

It is an amenable number.

11364160561 is a deficient number, since it is larger than the sum of its proper divisors (1600937039).

11364160561 is a wasteful number, since it uses less digits than its factorization.

11364160561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27288.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 11364160561 in words is "eleven billion, three hundred sixty-four million, one hundred sixty thousand, five hundred sixty-one".