11654222572 has 12 divisors (see below), whose sum is σ = 20425842360. Its totient is φ = 5818267616.

The previous prime is 11654222543. The next prime is 11654222581. The reversal of 11654222572 is 27522245611.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2207953 + ... + 2213224.

It is an arithmetic number, because the mean of its divisors is an integer number (1702153530).

Almost surely, 2^11654222572 is an apocalyptic number.

It is an amenable number.

11654222572 is a deficient number, since it is larger than the sum of its proper divisors (8771619788).

11654222572 is a wasteful number, since it uses less digits than its factorization.

11654222572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421840 (or 4421838 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The spelling of 11654222572 in words is "eleven billion, six hundred fifty-four million, two hundred twenty-two thousand, five hundred seventy-two".