2543145311585 has 16 divisors (see below), whose sum is σ = 3163739005440. Its totient is φ = 1960436507520.

The previous prime is 2543145311471. The next prime is 2543145311659. The reversal of 2543145311585 is 5851135413452.

It is not a de Polignac number, because 2543145311585 - 2²⁸ = 2542876876129 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, 35172875 + ... + 35245104.

It is an arithmetic number, because the mean of its divisors is an integer number (197733687840).

Almost surely, 2^{2543145311585} is an apocalyptic number.

It is an amenable number.

2543145311585 is a deficient number, since it is larger than the sum of its proper divisors (620593693855).

2543145311585 is a wasteful number, since it uses less digits than its factorization.

2543145311585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70418248.

The product of its digits is 1440000, while the sum is 47.

The spelling of 2543145311585 in words is "two trillion, five hundred forty-three billion, one hundred forty-five million, three hundred eleven thousand, five hundred eighty-five".