12611372747 has 2 divisors, whose sum is σ = 12611372748. Its totient is φ = 12611372746.

The previous prime is 12611372689. The next prime is 12611372771. The reversal of 12611372747 is 74727311621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12611372747 is a prime.

It is not a weakly prime, because it can be changed into another prime (12611372447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305686373 + 6305686374.

It is an arithmetic number, because the mean of its divisors is an integer number (6305686374).

Almost surely, 2^12611372747 is an apocalyptic number.

12611372747 is a deficient number, since it is larger than the sum of its proper divisors (1).

12611372747 is an equidigital number, since it uses as much as digits as its factorization.

12611372747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 41.

The spelling of 12611372747 in words is "twelve billion, six hundred eleven million, three hundred seventy-two thousand, seven hundred forty-seven".