12540670431359 has 8 divisors (see below), whose sum is σ = 15086520819840. Its totient is φ = 10183401553176.

The previous prime is 12540670431343. The next prime is 12540670431389. The reversal of 12540670431359 is 95313407604521.

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 12540670431359 - 2⁴ = 12540670431343 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 (12540670431389) 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, 47145377429 + ... + 47145377694.

It is an arithmetic number, because the mean of its divisors is an integer number (1885815102480).

Almost surely, 2^{12540670431359} is an apocalyptic number.

12540670431359 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12540670431359 is a deficient number, since it is larger than the sum of its proper divisors (2545850388481).

12540670431359 is an equidigital number, since it uses as much as digits as its factorization.

12540670431359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94290755149.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 12540670431359 in words is "twelve trillion, five hundred forty billion, six hundred seventy million, four hundred thirty-one thousand, three hundred fifty-nine".