12256051611 has 8 divisors (see below), whose sum is σ = 16445488144. Its totient is φ = 8118658080.

The previous prime is 12256051603. The next prime is 12256051637. The reversal of 12256051611 is 11615065221.

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

It is not a de Polignac number, because 12256051611 - 2³ = 12256051603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12256051681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13010200 + ... + 13011141.

It is an arithmetic number, because the mean of its divisors is an integer number (2055686018).

Almost surely, 2^12256051611 is an apocalyptic number.

12256051611 is a deficient number, since it is larger than the sum of its proper divisors (4189436533).

12256051611 is a wasteful number, since it uses less digits than its factorization.

12256051611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26021501.

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 12256051611 in words is "twelve billion, two hundred fifty-six million, fifty-one thousand, six hundred eleven".