1054806465564 has 72 divisors (see below), whose sum is σ = 2772365464960. Its totient is φ = 350674322544.

The previous prime is 1054806465553. The next prime is 1054806465569. The reversal of 1054806465564 is 4655646084501.

1054806465564 is a `hidden beast` number, since 1 + 0 + 5 + 4 + 80 + 6 + 4 + 6 + 556 + 4 = 666.

It is a super-2 number, since 2×1054806465564² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1054806465564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054806465569) 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 23 ways as a sum of consecutive naturals, for example, 1063264 + ... + 1800039.

Almost surely, 2^{1054806465564} is an apocalyptic number.

It is an amenable number.

1054806465564 is an abundant number, since it is smaller than the sum of its proper divisors (1717558999396).

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

1054806465564 is a wasteful number, since it uses less digits than its factorization.

1054806465564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863701 (or 2863687 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 54.

The spelling of 1054806465564 in words is "one trillion, fifty-four billion, eight hundred six million, four hundred sixty-five thousand, five hundred sixty-four".