11546643422 has 16 divisors (see below), whose sum is σ = 17961922800. Its totient is φ = 5560329600.

The previous prime is 11546643347. The next prime is 11546643443. The reversal of 11546643422 is 22434664511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224972 + ... + 271487.

It is an arithmetic number, because the mean of its divisors is an integer number (1122620175).

Almost surely, 2^11546643422 is an apocalyptic number.

11546643422 is a deficient number, since it is larger than the sum of its proper divisors (6415279378).

11546643422 is a wasteful number, since it uses less digits than its factorization.

11546643422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496891.

The product of its digits is 138240, while the sum is 38.

The spelling of 11546643422 in words is "eleven billion, five hundred forty-six million, six hundred forty-three thousand, four hundred twenty-two".