11465522449 has 8 divisors (see below), whose sum is σ = 12436062408. Its totient is φ = 10527882240.

The previous prime is 11465522437. The next prime is 11465522461. The reversal of 11465522449 is 94422556411.

It is an interprime number because it is at equal distance from previous prime (11465522437) and next prime (11465522461).

It can be written as a sum of positive squares in 4 ways, for example, as 157326849 + 11308195600 = 12543^2 + 106340^2 .

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 11465522449 - 2¹⁵ = 11465489681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11465522429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8224212 + ... + 8225605.

It is an arithmetic number, because the mean of its divisors is an integer number (1554507801).

Almost surely, 2^11465522449 is an apocalyptic number.

It is an amenable number.

11465522449 is a deficient number, since it is larger than the sum of its proper divisors (970539959).

11465522449 is a wasteful number, since it uses less digits than its factorization.

11465522449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16449875.

The product of its digits is 345600, while the sum is 43.

The spelling of 11465522449 in words is "eleven billion, four hundred sixty-five million, five hundred twenty-two thousand, four hundred forty-nine".