11465321465 has 8 divisors (see below), whose sum is σ = 14816723208. Its totient is φ = 8466698880.

The previous prime is 11465321443. The next prime is 11465321479. The reversal of 11465321465 is 56412356411.

It can be written as a sum of positive squares in 4 ways, for example, as 269353744 + 11195967721 = 16412^2 + 105811^2 .

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

It is not a de Polignac number, because 11465321465 - 2¹⁶ = 11465255929 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, 88194716 + ... + 88194845.

It is an arithmetic number, because the mean of its divisors is an integer number (1852090401).

Almost surely, 2^11465321465 is an apocalyptic number.

It is an amenable number.

11465321465 is a deficient number, since it is larger than the sum of its proper divisors (3351401743).

11465321465 is a wasteful number, since it uses less digits than its factorization.

11465321465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176389579.

The product of its digits is 86400, while the sum is 38.

Adding to 11465321465 its reverse (56412356411), we get a palindrome (67877677876).

The spelling of 11465321465 in words is "eleven billion, four hundred sixty-five million, three hundred twenty-one thousand, four hundred sixty-five".