11121573049774 has 16 divisors (see below), whose sum is σ = 18990195880320. Its totient is φ = 4835466543160.

The previous prime is 11121573049733. The next prime is 11121573049891. The reversal of 11121573049774 is 47794037512111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10989696184 + ... + 10989697195.

It is an arithmetic number, because the mean of its divisors is an integer number (1186887242520).

Almost surely, 2^{11121573049774} is an apocalyptic number.

11121573049774 is a deficient number, since it is larger than the sum of its proper divisors (7868622830546).

11121573049774 is a wasteful number, since it uses less digits than its factorization.

11121573049774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21979393415.

The product of its (nonzero) digits is 1481760, while the sum is 52.

The spelling of 11121573049774 in words is "eleven trillion, one hundred twenty-one billion, five hundred seventy-three million, forty-nine thousand, seven hundred seventy-four".