13531199999 has 8 divisors (see below), whose sum is σ = 14250294000. Its totient is φ = 12812798592.

The previous prime is 13531199939. The next prime is 13531200019. The reversal of 13531199999 is 99999113531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13531199999 - 2⁸ = 13531199743 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 (13531199909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132794 + ... + 211415.

It is an arithmetic number, because the mean of its divisors is an integer number (1781286750).

Almost surely, 2^13531199999 is an apocalyptic number.

13531199999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13531199999 is a deficient number, since it is larger than the sum of its proper divisors (719094001).

13531199999 is a wasteful number, since it uses less digits than its factorization.

13531199999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346297.

The product of its digits is 2657205, while the sum is 59.

The spelling of 13531199999 in words is "thirteen billion, five hundred thirty-one million, one hundred ninety-nine thousand, nine hundred ninety-nine".