12650005767507 has 16 divisors (see below), whose sum is σ = 17126828128512. Its totient is φ = 8303574111840.

The previous prime is 12650005767493. The next prime is 12650005767523. The reversal of 12650005767507 is 70576750005621.

It is not a de Polignac number, because 12650005767507 - 2¹⁹ = 12650005243219 is a prime.

It is a super-4 number, since 4×12650005767507⁴ (a number of 54 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12650005767507.

It is not an unprimeable number, because it can be changed into a prime (12650005767547) 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, 39065773 + ... + 39388254.

It is an arithmetic number, because the mean of its divisors is an integer number (1070426758032).

Almost surely, 2^{12650005767507} is an apocalyptic number.

12650005767507 is a deficient number, since it is larger than the sum of its proper divisors (4476822361005).

12650005767507 is an equidigital number, since it uses as much as digits as its factorization.

12650005767507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78454858.

The product of its (nonzero) digits is 3087000, while the sum is 51.

The spelling of 12650005767507 in words is "twelve trillion, six hundred fifty billion, five million, seven hundred sixty-seven thousand, five hundred seven".