22011542512 has 10 divisors (see below), whose sum is σ = 42647363648. Its totient is φ = 11005771248.

The previous prime is 22011542507. The next prime is 22011542533. The reversal of 22011542512 is 21524511022.

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, 687860688 + ... + 687860719.

Almost surely, 2^22011542512 is an apocalyptic number.

It is an amenable number.

22011542512 is a deficient number, since it is larger than the sum of its proper divisors (20635821136).

22011542512 is a wasteful number, since it uses less digits than its factorization.

22011542512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375721415 (or 1375721409 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 22011542512 in words is "twenty-two billion, eleven million, five hundred forty-two thousand, five hundred twelve".