22011160156 has 6 divisors (see below), whose sum is σ = 38519530280. Its totient is φ = 11005580076.

The previous prime is 22011160121. The next prime is 22011160181. The reversal of 22011160156 is 65106111022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22011160156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2751395016 + ... + 2751395023.

Almost surely, 2^22011160156 is an apocalyptic number.

It is an amenable number.

22011160156 is a deficient number, since it is larger than the sum of its proper divisors (16508370124).

22011160156 is a wasteful number, since it uses less digits than its factorization.

22011160156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502790043 (or 5502790041 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 22011160156 its reverse (65106111022), we get a palindrome (87117271178).

The spelling of 22011160156 in words is "twenty-two billion, eleven million, one hundred sixty thousand, one hundred fifty-six".