13065231164556 has 24 divisors (see below), whose sum is σ = 30577640720704. Its totient is φ = 4341919721040.

The previous prime is 13065231164387. The next prime is 13065231164597. The reversal of 13065231164556 is 65546113256031.

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, 1644662590 + ... + 1644670533.

Almost surely, 2^{13065231164556} is an apocalyptic number.

It is an amenable number.

13065231164556 is an abundant number, since it is smaller than the sum of its proper divisors (17512409556148).

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

13065231164556 is a wasteful number, since it uses less digits than its factorization.

13065231164556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289333461 (or 3289333459 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 13065231164556 in words is "thirteen trillion, sixty-five billion, two hundred thirty-one million, one hundred sixty-four thousand, five hundred fifty-six".