11115041450 has 12 divisors (see below), whose sum is σ = 20673977190. Its totient is φ = 4446016560.

The previous prime is 11115041437. The next prime is 11115041461. The reversal of 11115041450 is 5414051111.

It can be written as a sum of positive squares in 3 ways, for example, as 10120963609 + 994077841 = 100603^2 + 31529^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111150365 + ... + 111150464.

Almost surely, 2^11115041450 is an apocalyptic number.

11115041450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11115041450 is a deficient number, since it is larger than the sum of its proper divisors (9558935740).

11115041450 is a wasteful number, since it uses less digits than its factorization.

11115041450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222300841 (or 222300836 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 11115041450 its reverse (5414051111), we get a palindrome (16529092561).

The spelling of 11115041450 in words is "eleven billion, one hundred fifteen million, forty-one thousand, four hundred fifty".