13151265645 has 32 divisors (see below), whose sum is σ = 24070240512. Its totient is φ = 6006454272.

The previous prime is 13151265619. The next prime is 13151265667. The reversal of 13151265645 is 54656215131.

It is not a de Polignac number, because 13151265645 - 2⁹ = 13151265133 is a prime.

It is a super-3 number, since 3×13151265645³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57469 + ... + 172061.

It is an arithmetic number, because the mean of its divisors is an integer number (752195016).

Almost surely, 2^13151265645 is an apocalyptic number.

13151265645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13151265645 is a deficient number, since it is larger than the sum of its proper divisors (10918974867).

13151265645 is a wasteful number, since it uses less digits than its factorization.

13151265645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115701.

The product of its digits is 108000, while the sum is 39.

The spelling of 13151265645 in words is "thirteen billion, one hundred fifty-one million, two hundred sixty-five thousand, six hundred forty-five".