1053885346821 has 16 divisors (see below), whose sum is σ = 1561357512000. Its totient is φ = 702569582064.

The previous prime is 1053885346807. The next prime is 1053885346823. The reversal of 1053885346821 is 1286435883501.

1053885346821 is a `hidden beast` number, since 1 + 0 + 5 + 3 + 88 + 534 + 6 + 8 + 21 = 666.

It is not a de Polignac number, because 1053885346821 - 2¹¹ = 1053885344773 is a prime.

It is a super-2 number, since 2×1053885346821² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053885346823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391635 + ... + 1503711.

It is an arithmetic number, because the mean of its divisors is an integer number (97584844500).

Almost surely, 2^{1053885346821} is an apocalyptic number.

It is an amenable number.

1053885346821 is a deficient number, since it is larger than the sum of its proper divisors (507472165179).

1053885346821 is a wasteful number, since it uses less digits than its factorization.

1053885346821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147185 (or 1147179 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 1053885346821 in words is "one trillion, fifty-three billion, eight hundred eighty-five million, three hundred forty-six thousand, eight hundred twenty-one".