1361322660635 has 24 divisors (see below), whose sum is σ = 1900348704720. Its totient is φ = 933452165184.

The previous prime is 1361322660629. The next prime is 1361322660647. The reversal of 1361322660635 is 5360662231631.

It is a de Polignac number, because none of the positive numbers 2^k-1361322660635 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13392272 + ... + 13493538.

It is an arithmetic number, because the mean of its divisors is an integer number (79181196030).

Almost surely, 2^{1361322660635} is an apocalyptic number.

1361322660635 is a deficient number, since it is larger than the sum of its proper divisors (539026044085).

1361322660635 is a wasteful number, since it uses less digits than its factorization.

1361322660635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156155 (or 156148 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 44.

The spelling of 1361322660635 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-two million, six hundred sixty thousand, six hundred thirty-five".