11465522450 has 54 divisors (see below), whose sum is σ = 22535636031. Its totient is φ = 4339378080.

The previous prime is 11465522437. The next prime is 11465522461. The reversal of 11465522450 is 5422556411.

It can be written as a sum of positive squares in 5 ways, for example, as 3962324809 + 7503197641 = 62947^2 + 86621^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=75715.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11465522450.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 14385452 + ... + 14386248.

Almost surely, 2^11465522450 is an apocalyptic number.

11465522450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11465522450 is a deficient number, since it is larger than the sum of its proper divisors (11070113581).

11465522450 is an frugal number, since it uses more digits than its factorization.

11465522450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 11465522450 in words is "eleven billion, four hundred sixty-five million, five hundred twenty-two thousand, four hundred fifty".