13147287551999 has 16 divisors (see below), whose sum is σ = 13979996001792. Its totient is φ = 12336412422048.

The previous prime is 13147287551987. The next prime is 13147287552103. The reversal of 13147287551999 is 99915578274131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13147287551999 - 2⁸ = 13147287551743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13147287551899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6773564 + ... + 8495630.

It is an arithmetic number, because the mean of its divisors is an integer number (873749750112).

Almost surely, 2^{13147287551999} is an apocalyptic number.

13147287551999 is a deficient number, since it is larger than the sum of its proper divisors (832708449793).

13147287551999 is a wasteful number, since it uses less digits than its factorization.

13147287551999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728406.

The product of its digits is 171460800, while the sum is 71.

The spelling of 13147287551999 in words is "thirteen trillion, one hundred forty-seven billion, two hundred eighty-seven million, five hundred fifty-one thousand, nine hundred ninety-nine".