4512111156 has 120 divisors (see below), whose sum is σ = 13526088576. Its totient is φ = 1284828480.

The previous prime is 4512111059. The next prime is 4512111157. The reversal of 4512111156 is 6511112154.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4512111157) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 702150 + ... + 708546.

Almost surely, 2^4512111156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4512111156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6763044288).

4512111156 is an abundant number, since it is smaller than the sum of its proper divisors (9013977420).

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

4512111156 is a wasteful number, since it uses less digits than its factorization.

4512111156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731 (or 6720 counting only the distinct ones).

The product of its digits is 1200, while the sum is 27.

The square root of 4512111156 is about 67172.2498953251. The cubic root of 4512111156 is about 1652.4434145763.

The spelling of 4512111156 in words is "four billion, five hundred twelve million, one hundred eleven thousand, one hundred fifty-six".