1155346480561 has 8 divisors (see below), whose sum is σ = 1421964899264. Its totient is φ = 914120292240.

The previous prime is 1155346480553. The next prime is 1155346480597. The reversal of 1155346480561 is 1650846435511.

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

It is a cyclic number.

It is not a de Polignac number, because 1155346480561 - 2³ = 1155346480553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1155346400561) 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, 6348057495 + ... + 6348057676.

It is an arithmetic number, because the mean of its divisors is an integer number (177745612408).

Almost surely, 2^{1155346480561} is an apocalyptic number.

It is an amenable number.

1155346480561 is a deficient number, since it is larger than the sum of its proper divisors (266618418703).

1155346480561 is a wasteful number, since it uses less digits than its factorization.

1155346480561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12696115191.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 1155346480561 in words is "one trillion, one hundred fifty-five billion, three hundred forty-six million, four hundred eighty thousand, five hundred sixty-one".