1138280720522 has 12 divisors (see below), whose sum is σ = 1876752097458. Its totient is φ = 517400327400.

The previous prime is 1138280720503. The next prime is 1138280720539. The reversal of 1138280720522 is 2250270828311.

It can be written as a sum of positive squares in only one way, i.e., 1112094684481 + 26186036041 = 1054559^2 + 161821^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1138280720522.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2351819429 + ... + 2351819912.

Almost surely, 2^{1138280720522} is an apocalyptic number.

1138280720522 is a deficient number, since it is larger than the sum of its proper divisors (738471376936).

1138280720522 is a wasteful number, since it uses less digits than its factorization.

1138280720522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703639365 (or 4703639354 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 1138280720522 in words is "one trillion, one hundred thirty-eight billion, two hundred eighty million, seven hundred twenty thousand, five hundred twenty-two".