11545618084 has 96 divisors (see below), whose sum is σ = 27861716736. Its totient is φ = 4039994880.

The previous prime is 11545618067. The next prime is 11545618099. The reversal of 11545618084 is 48081654511.

It is a self number, because there is not a number n which added to its sum of digits gives 11545618084.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109182 + ... + 187114.

It is an arithmetic number, because the mean of its divisors is an integer number (290226216).

Almost surely, 2^11545618084 is an apocalyptic number.

11545618084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11545618084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13930858368).

11545618084 is an abundant number, since it is smaller than the sum of its proper divisors (16316098652).

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

11545618084 is a wasteful number, since it uses less digits than its factorization.

11545618084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78005 (or 78003 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 43.

The spelling of 11545618084 in words is "eleven billion, five hundred forty-five million, six hundred eighteen thousand, eighty-four".