1351045664611 has 4 divisors (see below), whose sum is σ = 1351053899424. Its totient is φ = 1351037429800.

The previous prime is 1351045664593. The next prime is 1351045664623. The reversal of 1351045664611 is 1164665401531.

It is a happy number.

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 1351045664611 - 2¹¹ = 1351045662563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351045661611) 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, 3866200 + ... + 4201141.

It is an arithmetic number, because the mean of its divisors is an integer number (337763474856).

Almost surely, 2^{1351045664611} is an apocalyptic number.

1351045664611 is a deficient number, since it is larger than the sum of its proper divisors (8234813).

1351045664611 is an equidigital number, since it uses as much as digits as its factorization.

1351045664611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8234812.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 1351045664611 in words is "one trillion, three hundred fifty-one billion, forty-five million, six hundred sixty-four thousand, six hundred eleven".