12547455361 has 16 divisors (see below), whose sum is σ = 14389905024. Its totient is φ = 10717559424.

The previous prime is 12547455337. The next prime is 12547455379. The reversal of 12547455361 is 16355474521.

It is a cyclic number.

It is not a de Polignac number, because 12547455361 - 2²⁹ = 12010584449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12547455461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3201375 + ... + 3205291.

It is an arithmetic number, because the mean of its divisors is an integer number (899369064).

Almost surely, 2^12547455361 is an apocalyptic number.

It is an amenable number.

12547455361 is a deficient number, since it is larger than the sum of its proper divisors (1842449663).

12547455361 is a wasteful number, since it uses less digits than its factorization.

12547455361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400.

The product of its digits is 504000, while the sum is 43.

The spelling of 12547455361 in words is "twelve billion, five hundred forty-seven million, four hundred fifty-five thousand, three hundred sixty-one".