1513255443320 has 32 divisors (see below), whose sum is σ = 3514657806720. Its totient is φ = 585776300160.

The previous prime is 1513255443317. The next prime is 1513255443437. The reversal of 1513255443320 is 233445523151.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610182407 + ... + 610184886.

It is an arithmetic number, because the mean of its divisors is an integer number (109833056460).

Almost surely, 2^{1513255443320} is an apocalyptic number.

1513255443320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1513255443320 is an abundant number, since it is smaller than the sum of its proper divisors (2001402363400).

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

1513255443320 is a wasteful number, since it uses less digits than its factorization.

1513255443320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220367335 (or 1220367331 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1513255443320 in words is "one trillion, five hundred thirteen billion, two hundred fifty-five million, four hundred forty-three thousand, three hundred twenty".