1540116853265 has 16 divisors (see below), whose sum is σ = 1907803591680. Its totient is φ = 1192319818560.

The previous prime is 1540116853237. The next prime is 1540116853333. The reversal of 1540116853265 is 5623586110451.

It is a de Polignac number, because none of the positive numbers 2^k-1540116853265 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, 8196347 + ... + 8382143.

It is an arithmetic number, because the mean of its divisors is an integer number (119237724480).

Almost surely, 2^{1540116853265} is an apocalyptic number.

It is an amenable number.

1540116853265 is a deficient number, since it is larger than the sum of its proper divisors (367686738415).

1540116853265 is a wasteful number, since it uses less digits than its factorization.

1540116853265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239312.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 1540116853265 in words is "one trillion, five hundred forty billion, one hundred sixteen million, eight hundred fifty-three thousand, two hundred sixty-five".