1513117545 has 16 divisors (see below), whose sum is σ = 2421481920. Its totient is φ = 806831424.

The previous prime is 1513117523. The next prime is 1513117561. The reversal of 1513117545 is 5457113151.

It is not a de Polignac number, because 1513117545 - 2⁵ = 1513117513 is a prime.

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, 114627 + ... + 127143.

It is an arithmetic number, because the mean of its divisors is an integer number (151342620).

Almost surely, 2^1513117545 is an apocalyptic number.

1513117545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1513117545 is a deficient number, since it is larger than the sum of its proper divisors (908364375).

1513117545 is a wasteful number, since it uses less digits than its factorization.

1513117545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20584.

The product of its digits is 10500, while the sum is 33.

The square root of 1513117545 is about 38898.8116142383. The cubic root of 1513117545 is about 1148.0414160395.

The spelling of 1513117545 in words is "one billion, five hundred thirteen million, one hundred seventeen thousand, five hundred forty-five".