12540410501523 has 16 divisors (see below), whose sum is σ = 16932571192320. Its totient is φ = 8254266381504.

The previous prime is 12540410501429. The next prime is 12540410501537. The reversal of 12540410501523 is 32510501404521.

It is not a de Polignac number, because 12540410501523 - 2²⁴ = 12540393724307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12540410501923) 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, 10711215 + ... + 11824167.

It is an arithmetic number, because the mean of its divisors is an integer number (1058285699520).

Almost surely, 2^{12540410501523} is an apocalyptic number.

12540410501523 is a deficient number, since it is larger than the sum of its proper divisors (4392160690797).

12540410501523 is a wasteful number, since it uses less digits than its factorization.

12540410501523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160578.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 12540410501523 in words is "twelve trillion, five hundred forty billion, four hundred ten million, five hundred one thousand, five hundred twenty-three".