1361555232264 has 48 divisors (see below), whose sum is σ = 3688194264300. Its totient is φ = 453771886464.

The previous prime is 1361555232259. The next prime is 1361555232341. The reversal of 1361555232264 is 4622325551631.

1361555232264 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 5 + 552 + 32 + 2 + 64 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1329385940100 + 32169292164 = 1152990^2 + 179358^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1250959 + ... + 2070750.

Almost surely, 2^{1361555232264} is an apocalyptic number.

It is an amenable number.

1361555232264 is an abundant number, since it is smaller than the sum of its proper divisors (2326639032036).

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

1361555232264 is a wasteful number, since it uses less digits than its factorization.

1361555232264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327414 (or 3327407 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The spelling of 1361555232264 in words is "one trillion, three hundred sixty-one billion, five hundred fifty-five million, two hundred thirty-two thousand, two hundred sixty-four".