11452640305 has 8 divisors (see below), whose sum is σ = 13751442432. Its totient is φ = 9156596208.

The previous prime is 11452640293. The next prime is 11452640321. The reversal of 11452640305 is 50304625411.

It is a happy number.

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 11452640305 - 2¹⁹ = 11452116017 is a prime.

It is a Duffinian number.

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, 680359 + ... + 696988.

It is an arithmetic number, because the mean of its divisors is an integer number (1718930304).

Almost surely, 2^11452640305 is an apocalyptic number.

It is an amenable number.

11452640305 is a deficient number, since it is larger than the sum of its proper divisors (2298802127).

11452640305 is a wasteful number, since it uses less digits than its factorization.

11452640305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379015.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 11452640305 in words is "eleven billion, four hundred fifty-two million, six hundred forty thousand, three hundred five".