1361043643120 has 60 divisors (see below), whose sum is σ = 3681067537224. Its totient is φ = 466643533440.

The previous prime is 1361043643117. The next prime is 1361043643139. The reversal of 1361043643120 is 213463401631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173598586 + ... + 173606425.

Almost surely, 2^{1361043643120} is an apocalyptic number.

1361043643120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361043643120 is an abundant number, since it is smaller than the sum of its proper divisors (2320023894104).

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

1361043643120 is a wasteful number, since it uses less digits than its factorization.

1361043643120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347205038 (or 347205025 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 1361043643120 in words is "one trillion, three hundred sixty-one billion, forty-three million, six hundred forty-three thousand, one hundred twenty".