12383871015405 has 8 divisors (see below), whose sum is σ = 19814193624672. Its totient is φ = 6604731208208.

The previous prime is 12383871015379. The next prime is 12383871015407. The reversal of 12383871015405 is 50451017838321.

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 12383871015405 - 2¹⁰ = 12383871014381 is a prime.

It is a super-2 number, since 2×12383871015405² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12383871015407) 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, 412795700499 + ... + 412795700528.

It is an arithmetic number, because the mean of its divisors is an integer number (2476774203084).

Almost surely, 2^{12383871015405} is an apocalyptic number.

12383871015405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12383871015405 is a deficient number, since it is larger than the sum of its proper divisors (7430322609267).

12383871015405 is an equidigital number, since it uses as much as digits as its factorization.

12383871015405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825591401035.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 12383871015405 in words is "twelve trillion, three hundred eighty-three billion, eight hundred seventy-one million, fifteen thousand, four hundred five".