11160290367561 has 4 divisors (see below), whose sum is σ = 14880387156752. Its totient is φ = 7440193578372.

The previous prime is 11160290367533. The next prime is 11160290367587. The reversal of 11160290367561 is 16576309206111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11160290367561 - 2⁵ = 11160290367529 is a prime.

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 11160290367561.

It is not an unprimeable number, because it can be changed into a prime (11160290367461) 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, 1860048394591 + ... + 1860048394596.

It is an arithmetic number, because the mean of its divisors is an integer number (3720096789188).

Almost surely, 2^{11160290367561} is an apocalyptic number.

It is an amenable number.

11160290367561 is a deficient number, since it is larger than the sum of its proper divisors (3720096789191).

11160290367561 is an equidigital number, since it uses as much as digits as its factorization.

11160290367561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720096789190.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 11160290367561 in words is "eleven trillion, one hundred sixty billion, two hundred ninety million, three hundred sixty-seven thousand, five hundred sixty-one".