12544535451499 has 8 divisors (see below), whose sum is σ = 12836715604592. Its totient is φ = 12252375606240.

The previous prime is 12544535451491. The next prime is 12544535451541. The reversal of 12544535451499 is 99415453544521.

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 12544535451499 - 2³ = 12544535451491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12544535451491) 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, 3823572 + ... + 6301489.

It is an arithmetic number, because the mean of its divisors is an integer number (1604589450574).

Almost surely, 2^{12544535451499} is an apocalyptic number.

12544535451499 is a deficient number, since it is larger than the sum of its proper divisors (292180153093).

12544535451499 is a wasteful number, since it uses less digits than its factorization.

12544535451499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10153917.

The product of its digits is 77760000, while the sum is 61.

The spelling of 12544535451499 in words is "twelve trillion, five hundred forty-four billion, five hundred thirty-five million, four hundred fifty-one thousand, four hundred ninety-nine".