1145664742759 has 4 divisors (see below), whose sum is σ = 1145666960640. Its totient is φ = 1145662524880.

The previous prime is 1145664742661. The next prime is 1145664742813. The reversal of 1145664742759 is 9572474665411.

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 1145664742759 - 2¹⁷ = 1145664611687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145664742697 and 1145664742706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145664745759) 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, 119514 + ... + 1518424.

It is an arithmetic number, because the mean of its divisors is an integer number (286416740160).

Almost surely, 2^{1145664742759} is an apocalyptic number.

1145664742759 is a deficient number, since it is larger than the sum of its proper divisors (2217881).

1145664742759 is an equidigital number, since it uses as much as digits as its factorization.

1145664742759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217880.

The product of its digits is 50803200, while the sum is 61.

The spelling of 1145664742759 in words is "one trillion, one hundred forty-five billion, six hundred sixty-four million, seven hundred forty-two thousand, seven hundred fifty-nine".