12465515725827 has 32 divisors (see below), whose sum is σ = 17736350436864. Its totient is φ = 7760303040000.

The previous prime is 12465515725763. The next prime is 12465515725847. The reversal of 12465515725827 is 72852751556421.

It is not a de Polignac number, because 12465515725827 - 2⁶ = 12465515725763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12465515725847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5390077 + ... + 7347377.

It is an arithmetic number, because the mean of its divisors is an integer number (554260951152).

Almost surely, 2^{12465515725827} is an apocalyptic number.

12465515725827 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12465515725827 is a deficient number, since it is larger than the sum of its proper divisors (5270834711037).

12465515725827 is a wasteful number, since it uses less digits than its factorization.

12465515725827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958299.

The product of its digits is 47040000, while the sum is 60.

The spelling of 12465515725827 in words is "twelve trillion, four hundred sixty-five billion, five hundred fifteen million, seven hundred twenty-five thousand, eight hundred twenty-seven".