11403143522 has 4 divisors (see below), whose sum is σ = 17104715286. Its totient is φ = 5701571760.

The previous prime is 11403143513. The next prime is 11403143537. The reversal of 11403143522 is 22534130411.

It is a happy number.

11403143522 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8233566121 + 3169577401 = 90739^2 + 56299^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11403143491 and 11403143500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2850785879 + ... + 2850785882.

Almost surely, 2^11403143522 is an apocalyptic number.

11403143522 is a deficient number, since it is larger than the sum of its proper divisors (5701571764).

11403143522 is an equidigital number, since it uses as much as digits as its factorization.

11403143522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5701571763.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 11403143522 its reverse (22534130411), we get a palindrome (33937273933).

The spelling of 11403143522 in words is "eleven billion, four hundred three million, one hundred forty-three thousand, five hundred twenty-two".