12581356034879 has 2 divisors, whose sum is σ = 12581356034880. Its totient is φ = 12581356034878.

The previous prime is 12581356034857. The next prime is 12581356034887. The reversal of 12581356034879 is 97843065318521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12581356034879 - 2¹² = 12581356030783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12581356031879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6290678017439 + 6290678017440.

It is an arithmetic number, because the mean of its divisors is an integer number (6290678017440).

It is a 1-persistent number, because it is pandigital, but 2⋅12581356034879 = 25162712069758 is not.

Almost surely, 2^{12581356034879} is an apocalyptic number.

12581356034879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12581356034879 is an equidigital number, since it uses as much as digits as its factorization.

12581356034879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43545600, while the sum is 62.

The spelling of 12581356034879 in words is "twelve trillion, five hundred eighty-one billion, three hundred fifty-six million, thirty-four thousand, eight hundred seventy-nine".