1053533578531 has 16 divisors (see below), whose sum is σ = 1295763583680. Its totient is φ = 835976494080.

The previous prime is 1053533578501. The next prime is 1053533578553. The reversal of 1053533578531 is 1358753353501.

It is not a de Polignac number, because 1053533578531 - 2⁷ = 1053533578403 is a prime.

It is a super-2 number, since 2×1053533578531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053533578501) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 72560146 + ... + 72574663.

It is an arithmetic number, because the mean of its divisors is an integer number (80985223980).

Almost surely, 2^{1053533578531} is an apocalyptic number.

1053533578531 is a deficient number, since it is larger than the sum of its proper divisors (242230005149).

1053533578531 is a wasteful number, since it uses less digits than its factorization.

1053533578531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145134894.

The product of its (nonzero) digits is 2835000, while the sum is 49.

The spelling of 1053533578531 in words is "one trillion, fifty-three billion, five hundred thirty-three million, five hundred seventy-eight thousand, five hundred thirty-one".