1813369086720 has 108 divisors (see below), whose sum is σ = 6274068187296. Its totient is φ = 483565086720.

The previous prime is 1813369086713. The next prime is 1813369086757. The reversal of 1813369086720 is 276809633181.

1813369086720 is a `hidden beast` number, since 1 + 81 + 336 + 90 + 86 + 72 + 0 = 666.

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, 78693736 + ... + 78716775.

Almost surely, 2^{1813369086720} is an apocalyptic number.

1813369086720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1813369086720 is an abundant number, since it is smaller than the sum of its proper divisors (4460699100576).

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

1813369086720 is a wasteful number, since it uses less digits than its factorization.

1813369086720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157410538 (or 157410521 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 1813369086720 in words is "one trillion, eight hundred thirteen billion, three hundred sixty-nine million, eighty-six thousand, seven hundred twenty".