1553120464564 has 24 divisors (see below), whose sum is σ = 2826753655040. Its totient is φ = 746007908256.

The previous prime is 1553120464543. The next prime is 1553120464607. The reversal of 1553120464564 is 4654640213551.

It is a congruent number.

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, 66406392 + ... + 66429775.

Almost surely, 2^{1553120464564} is an apocalyptic number.

It is an amenable number.

1553120464564 is a deficient number, since it is larger than the sum of its proper divisors (1273633190476).

1553120464564 is a wasteful number, since it uses less digits than its factorization.

1553120464564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132836287 (or 132836285 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 1553120464564 in words is "one trillion, five hundred fifty-three billion, one hundred twenty million, four hundred sixty-four thousand, five hundred sixty-four".