1053445731685 has 16 divisors (see below), whose sum is σ = 1265358024000. Its totient is φ = 841941565696.

The previous prime is 1053445731671. The next prime is 1053445731703. The reversal of 1053445731685 is 5861375443501.

It is a cyclic number.

It is not a de Polignac number, because 1053445731685 - 2⁷ = 1053445731557 is a prime.

It is a super-2 number, since 2×1053445731685² (a number of 25 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22320282 + ... + 22367428.

It is an arithmetic number, because the mean of its divisors is an integer number (79084876500).

Almost surely, 2^{1053445731685} is an apocalyptic number.

It is an amenable number.

1053445731685 is a deficient number, since it is larger than the sum of its proper divisors (211912292315).

1053445731685 is a wasteful number, since it uses less digits than its factorization.

1053445731685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51380.

The product of its (nonzero) digits is 6048000, while the sum is 52.

The spelling of 1053445731685 in words is "one trillion, fifty-three billion, four hundred forty-five million, seven hundred thirty-one thousand, six hundred eighty-five".