11621184587018 has 32 divisors (see below), whose sum is σ = 18760602958848. Its totient is φ = 5378896454400.

The previous prime is 11621184587011. The next prime is 11621184587059. The reversal of 11621184587018 is 81078548112611.

It is not an unprimeable number, because it can be changed into a prime (11621184587011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50472071 + ... + 50701797.

It is an arithmetic number, because the mean of its divisors is an integer number (586268842464).

Almost surely, 2^{11621184587018} is an apocalyptic number.

11621184587018 is a deficient number, since it is larger than the sum of its proper divisors (7139418371830).

11621184587018 is a wasteful number, since it uses less digits than its factorization.

11621184587018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254198.

The product of its (nonzero) digits is 860160, while the sum is 53.

The spelling of 11621184587018 in words is "eleven trillion, six hundred twenty-one billion, one hundred eighty-four million, five hundred eighty-seven thousand, eighteen".