11450043505 has 8 divisors (see below), whose sum is σ = 13743231912. Its totient is φ = 9157915008.

The previous prime is 11450043463. The next prime is 11450043557. The reversal of 11450043505 is 50534005411.

It can be written as a sum of positive squares in 4 ways, for example, as 4077588736 + 7372454769 = 63856^2 + 85863^2 .

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 11450043505 - 2⁷ = 11450043377 is a prime.

It is a super-2 number, since 2×11450043505² (a number of 21 digits) contains 22 as substring.

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, 241012 + ... + 284581.

It is an arithmetic number, because the mean of its divisors is an integer number (1717903989).

Almost surely, 2^11450043505 is an apocalyptic number.

It is an amenable number.

11450043505 is a deficient number, since it is larger than the sum of its proper divisors (2293188407).

11450043505 is an equidigital number, since it uses as much as digits as its factorization.

11450043505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529955.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 11450043505 its reverse (50534005411), we get a palindrome (61984048916).

The spelling of 11450043505 in words is "eleven billion, four hundred fifty million, forty-three thousand, five hundred five".