1160561015505 has 32 divisors (see below), whose sum is σ = 2063264486400. Its totient is φ = 618952404096.

The previous prime is 1160561015443. The next prime is 1160561015531. The reversal of 1160561015505 is 5055101650611.

It is a happy number.

It is not a de Polignac number, because 1160561015505 - 2⁸ = 1160561015249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1160561015505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10898077 + ... + 11004053.

It is an arithmetic number, because the mean of its divisors is an integer number (64477015200).

Almost surely, 2^{1160561015505} is an apocalyptic number.

1160561015505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1160561015505 is a deficient number, since it is larger than the sum of its proper divisors (902703470895).

1160561015505 is a wasteful number, since it uses less digits than its factorization.

1160561015505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187110 (or 187104 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 1160561015505 in words is "one trillion, one hundred sixty billion, five hundred sixty-one million, fifteen thousand, five hundred five".