11542163120 has 20 divisors (see below), whose sum is σ = 26835529440. Its totient is φ = 4616865216.

The previous prime is 11542163089. The next prime is 11542163123. The reversal of 11542163120 is 2136124511.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 11542163120.

It is not an unprimeable number, because it can be changed into a prime (11542163123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72138440 + ... + 72138599.

It is an arithmetic number, because the mean of its divisors is an integer number (1341776472).

Almost surely, 2^11542163120 is an apocalyptic number.

11542163120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11542163120 is an abundant number, since it is smaller than the sum of its proper divisors (15293366320).

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

11542163120 is a wasteful number, since it uses less digits than its factorization.

11542163120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144277052 (or 144277046 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 11542163120 its reverse (2136124511), we get a palindrome (13678287631).

The spelling of 11542163120 in words is "eleven billion, five hundred forty-two million, one hundred sixty-three thousand, one hundred twenty".