1312306603611 has 4 divisors (see below), whose sum is σ = 1749742138152. Its totient is φ = 874871069072.

The previous prime is 1312306603607. The next prime is 1312306603631. The reversal of 1312306603611 is 1163066032131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1312306603611 - 2² = 1312306603607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312306603631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218717767266 + ... + 218717767271.

It is an arithmetic number, because the mean of its divisors is an integer number (437435534538).

Almost surely, 2^{1312306603611} is an apocalyptic number.

1312306603611 is a deficient number, since it is larger than the sum of its proper divisors (437435534541).

1312306603611 is an equidigital number, since it uses as much as digits as its factorization.

1312306603611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437435534540.

The product of its (nonzero) digits is 11664, while the sum is 33.

The spelling of 1312306603611 in words is "one trillion, three hundred twelve billion, three hundred six million, six hundred three thousand, six hundred eleven".