1155560070561 has 8 divisors (see below), whose sum is σ = 1659265742400. Its totient is φ = 711113889552.

The previous prime is 1155560070557. The next prime is 1155560070563. The reversal of 1155560070561 is 1650700655511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1155560070561 - 2² = 1155560070557 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1155560070563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14814872661 + ... + 14814872738.

It is an arithmetic number, because the mean of its divisors is an integer number (207408217800).

Almost surely, 2^{1155560070561} is an apocalyptic number.

It is an amenable number.

1155560070561 is a deficient number, since it is larger than the sum of its proper divisors (503705671839).

1155560070561 is a wasteful number, since it uses less digits than its factorization.

1155560070561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29629745415.

The product of its (nonzero) digits is 157500, while the sum is 42.

The spelling of 1155560070561 in words is "one trillion, one hundred fifty-five billion, five hundred sixty million, seventy thousand, five hundred sixty-one".