1143522111026 has 4 divisors (see below), whose sum is σ = 1715283166542. Its totient is φ = 571761055512.

The previous prime is 1143522110957. The next prime is 1143522111041. The reversal of 1143522111026 is 6201112253411.

It is a happy number.

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., 966239850625 + 177282260401 = 982975^2 + 421049^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1143522111026.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285880527755 + ... + 285880527758.

Almost surely, 2^{1143522111026} is an apocalyptic number.

1143522111026 is a deficient number, since it is larger than the sum of its proper divisors (571761055516).

1143522111026 is an equidigital number, since it uses as much as digits as its factorization.

1143522111026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571761055515.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 1143522111026 its reverse (6201112253411), we get a palindrome (7344634364437).

The spelling of 1143522111026 in words is "one trillion, one hundred forty-three billion, five hundred twenty-two million, one hundred eleven thousand, twenty-six".