12625138761 has 8 divisors (see below), whose sum is σ = 16878649920. Its totient is φ = 8394193392.

The previous prime is 12625138759. The next prime is 12625138783. The reversal of 12625138761 is 16783152621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12625138761 - 2¹ = 12625138759 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12625138751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5640141 + ... + 5642378.

It is an arithmetic number, because the mean of its divisors is an integer number (2109831240).

Almost surely, 2^12625138761 is an apocalyptic number.

It is an amenable number.

12625138761 is a deficient number, since it is larger than the sum of its proper divisors (4253511159).

12625138761 is a wasteful number, since it uses less digits than its factorization.

12625138761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11282895.

The product of its digits is 120960, while the sum is 42.

The spelling of 12625138761 in words is "twelve billion, six hundred twenty-five million, one hundred thirty-eight thousand, seven hundred sixty-one".