1053445378764 has 24 divisors (see below), whose sum is σ = 2542799190960. Its totient is φ = 339039891904.

The previous prime is 1053445378703. The next prime is 1053445378771. The reversal of 1053445378764 is 4678735443501.

It is a super-2 number, since 2×1053445378764² (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 7 ways as a sum of consecutive naturals, for example, 1513570599 + ... + 1513571294.

It is an arithmetic number, because the mean of its divisors is an integer number (105949966290).

Almost surely, 2^{1053445378764} is an apocalyptic number.

It is an amenable number.

1053445378764 is an abundant number, since it is smaller than the sum of its proper divisors (1489353812196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1053445378764 is a wasteful number, since it uses less digits than its factorization.

1053445378764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027141929 (or 3027141927 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 57.

The spelling of 1053445378764 in words is "one trillion, fifty-three billion, four hundred forty-five million, three hundred seventy-eight thousand, seven hundred sixty-four".