12547104881 has 16 divisors (see below), whose sum is σ = 13749056640. Its totient is φ = 11397039360.

The previous prime is 12547104851. The next prime is 12547104883. The reversal of 12547104881 is 18840174521.

It is not a de Polignac number, because 12547104881 - 2¹⁰ = 12547103857 is a prime.

It is a super-2 number, since 2×12547104881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12547104883) 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, 1756940 + ... + 1764066.

It is an arithmetic number, because the mean of its divisors is an integer number (859316040).

Almost surely, 2^12547104881 is an apocalyptic number.

It is an amenable number.

12547104881 is a deficient number, since it is larger than the sum of its proper divisors (1201951759).

12547104881 is a wasteful number, since it uses less digits than its factorization.

12547104881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10744.

The product of its (nonzero) digits is 71680, while the sum is 41.

The spelling of 12547104881 in words is "twelve billion, five hundred forty-seven million, one hundred four thousand, eight hundred eighty-one".