1253046216520 has 64 divisors (see below), whose sum is σ = 3309203162880. Its totient is φ = 418004603136.

The previous prime is 1253046216493. The next prime is 1253046216533. The reversal of 1253046216520 is 256126403521.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 1253046216520.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60464844 + ... + 60485563.

It is an arithmetic number, because the mean of its divisors is an integer number (51706299420).

Almost surely, 2^{1253046216520} is an apocalyptic number.

1253046216520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253046216520 is an abundant number, since it is smaller than the sum of its proper divisors (2056156946360).

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

1253046216520 is a wasteful number, since it uses less digits than its factorization.

1253046216520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120950462 (or 120950458 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 1253046216520 in words is "one trillion, two hundred fifty-three billion, forty-six million, two hundred sixteen thousand, five hundred twenty".