13545145431512 has 32 divisors (see below), whose sum is σ = 25573406054400. Its totient is φ = 6725672336544.

The previous prime is 13545145431481. The next prime is 13545145431523. The reversal of 13545145431512 is 21513454154531.

It is a super-2 number, since 2×13545145431512² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5301368 + ... + 7429319.

It is an arithmetic number, because the mean of its divisors is an integer number (799168939200).

Almost surely, 2^{13545145431512} is an apocalyptic number.

It is an amenable number.

13545145431512 is a deficient number, since it is larger than the sum of its proper divisors (12028260622888).

13545145431512 is a wasteful number, since it uses less digits than its factorization.

13545145431512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12731615 (or 12731611 counting only the distinct ones).

The product of its digits is 720000, while the sum is 44.

The spelling of 13545145431512 in words is "thirteen trillion, five hundred forty-five billion, one hundred forty-five million, four hundred thirty-one thousand, five hundred twelve".