1361055775560 has 128 divisors (see below), whose sum is σ = 4415656896000. Its totient is φ = 333627227136.

The previous prime is 1361055775553. The next prime is 1361055775603. The reversal of 1361055775560 is 655775501631.

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, 1452415 + ... + 2198094.

It is an arithmetic number, because the mean of its divisors is an integer number (34497319500).

Almost surely, 2^{1361055775560} is an apocalyptic number.

1361055775560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361055775560 is an abundant number, since it is smaller than the sum of its proper divisors (3054601120440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361055775560 is a wasteful number, since it uses less digits than its factorization.

1361055775560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650775 (or 3650771 counting only the distinct ones).

The product of its (nonzero) digits is 3307500, while the sum is 51.

The spelling of 1361055775560 in words is "one trillion, three hundred sixty-one billion, fifty-five million, seven hundred seventy-five thousand, five hundred sixty".