1053864644315 has 32 divisors (see below), whose sum is σ = 1481871960576. Its totient is φ = 704395549440.

The previous prime is 1053864644291. The next prime is 1053864644323. The reversal of 1053864644315 is 5134464683501.

It is not a de Polignac number, because 1053864644315 - 2⁸ = 1053864644059 is a prime.

It is a super-2 number, since 2×1053864644315² (a number of 25 digits) contains 22 as substring.

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, 1284524 + ... + 1938486.

It is an arithmetic number, because the mean of its divisors is an integer number (46308498768).

Almost surely, 2^{1053864644315} is an apocalyptic number.

1053864644315 is a deficient number, since it is larger than the sum of its proper divisors (428007316261).

1053864644315 is a wasteful number, since it uses less digits than its factorization.

1053864644315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655139.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 1053864644315 in words is "one trillion, fifty-three billion, eight hundred sixty-four million, six hundred forty-four thousand, three hundred fifteen".