12611180443 has 16 divisors (see below), whose sum is σ = 12952162080. Its totient is φ = 12275078400.

The previous prime is 12611180429. The next prime is 12611180489. The reversal of 12611180443 is 34408111621.

It is a cyclic number.

It is not a de Polignac number, because 12611180443 - 2⁵ = 12611180411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12611180243) 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, 3106471 + ... + 3110527.

It is an arithmetic number, because the mean of its divisors is an integer number (809510130).

Almost surely, 2^12611180443 is an apocalyptic number.

12611180443 is a deficient number, since it is larger than the sum of its proper divisors (340981637).

12611180443 is a wasteful number, since it uses less digits than its factorization.

12611180443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 12611180443 in words is "twelve billion, six hundred eleven million, one hundred eighty thousand, four hundred forty-three".