1153453517556 has 24 divisors (see below), whose sum is σ = 2723817947424. Its totient is φ = 379852162080.

The previous prime is 1153453517537. The next prime is 1153453517563. The reversal of 1153453517556 is 6557153543511.

It is a junction number, because it is equal to n+sod(n) for n = 1153453517499 and 1153453517508.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 579041935 + ... + 579043926.

It is an arithmetic number, because the mean of its divisors is an integer number (113492414476).

Almost surely, 2^{1153453517556} is an apocalyptic number.

It is an amenable number.

1153453517556 is an abundant number, since it is smaller than the sum of its proper divisors (1570364429868).

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

1153453517556 is a wasteful number, since it uses less digits than its factorization.

1153453517556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158085951 (or 1158085949 counting only the distinct ones).

The product of its digits is 4725000, while the sum is 51.

The spelling of 1153453517556 in words is "one trillion, one hundred fifty-three billion, four hundred fifty-three million, five hundred seventeen thousand, five hundred fifty-six".