36618023112 has 128 divisors (see below), whose sum is σ = 103749120000. Its totient is φ = 10669651200.

The previous prime is 36618023111. The next prime is 36618023131. The reversal of 36618023112 is 21132081663.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (36618023111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1270639 + ... + 1299137.

It is an arithmetic number, because the mean of its divisors is an integer number (810540000).

Almost surely, 2^36618023112 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 36618023112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51874560000).

36618023112 is an abundant number, since it is smaller than the sum of its proper divisors (67131096888).

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

36618023112 is a wasteful number, since it uses less digits than its factorization.

36618023112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28707 (or 28703 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 36618023112 in words is "thirty-six billion, six hundred eighteen million, twenty-three thousand, one hundred twelve".