1045665264635 has 8 divisors (see below), whose sum is σ = 1278473757840. Its totient is φ = 820748584864.

The previous prime is 1045665264619. The next prime is 1045665264673. The reversal of 1045665264635 is 5364625665401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1045665264635 - 2⁴ = 1045665264619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1972953065 + ... + 1972953594.

It is an arithmetic number, because the mean of its divisors is an integer number (159809219730).

Almost surely, 2^{1045665264635} is an apocalyptic number.

1045665264635 is a deficient number, since it is larger than the sum of its proper divisors (232808493205).

1045665264635 is an equidigital number, since it uses as much as digits as its factorization.

1045665264635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945906717.

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 1045665264635 in words is "one trillion, forty-five billion, six hundred sixty-five million, two hundred sixty-four thousand, six hundred thirty-five".