9144112512 has 64 divisors (see below), whose sum is σ = 24945548400. Its totient is φ = 2965653504.

The previous prime is 9144112499. The next prime is 9144112517. The reversal of 9144112512 is 2152114419.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×9144112512² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9144112512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9144112517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307587 + ... + 336002.

Almost surely, 2^9144112512 is an apocalyptic number.

It is an amenable number.

9144112512 is an abundant number, since it is smaller than the sum of its proper divisors (15801435888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9144112512 is a wasteful number, since it uses less digits than its factorization.

9144112512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643643 (or 643631 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 9144112512 is about 95624.8530038086. The cubic root of 9144112512 is about 2091.1275336580.

The spelling of 9144112512 in words is "nine billion, one hundred forty-four million, one hundred twelve thousand, five hundred twelve".