12540524514 has 32 divisors (see below), whose sum is σ = 30172692480. Its totient is φ = 3394427472.

The previous prime is 12540524501. The next prime is 12540524527. The reversal of 12540524514 is 41542504521.

It is a happy number.

12540524514 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12540524501) and next prime (12540524527).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7856674 + ... + 7858269.

It is an arithmetic number, because the mean of its divisors is an integer number (942896640).

Almost surely, 2^12540524514 is an apocalyptic number.

12540524514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12540524514 is an abundant number, since it is smaller than the sum of its proper divisors (17632167966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12540524514 is a wasteful number, since it uses less digits than its factorization.

12540524514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15714974.

The product of its (nonzero) digits is 32000, while the sum is 33.

The spelling of 12540524514 in words is "twelve billion, five hundred forty million, five hundred twenty-four thousand, five hundred fourteen".