1599540113920 has 80 divisors (see below), whose sum is σ = 4383025593408. Its totient is φ = 548413747200.

The previous prime is 1599540113917. The next prime is 1599540113939. The reversal of 1599540113920 is 293110459951.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44612106 + ... + 44647945.

Almost surely, 2^{1599540113920} is an apocalyptic number.

1599540113920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1599540113920 is an abundant number, since it is smaller than the sum of its proper divisors (2783485479488).

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

1599540113920 is an frugal number, since it uses more digits than its factorization.

1599540113920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89260081 (or 89260065 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 49.

The spelling of 1599540113920 in words is "one trillion, five hundred ninety-nine billion, five hundred forty million, one hundred thirteen thousand, nine hundred twenty".