1836180347112 has 24 divisors (see below), whose sum is σ = 4972988440290. Its totient is φ = 612060115680.

The previous prime is 1836180347051. The next prime is 1836180347117. The reversal of 1836180347112 is 2117430816381.

1836180347112 is a `hidden beast` number, since 18 + 3 + 6 + 180 + 347 + 112 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1782849834756 + 53330512356 = 1335234^2 + 230934^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1836180347117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12751252339 + ... + 12751252482.

Almost surely, 2^{1836180347112} is an apocalyptic number.

1836180347112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1836180347112 is an abundant number, since it is smaller than the sum of its proper divisors (3136808093178).

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

1836180347112 is a wasteful number, since it uses less digits than its factorization.

1836180347112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25502504833 (or 25502504826 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 1836180347112 in words is "one trillion, eight hundred thirty-six billion, one hundred eighty million, three hundred forty-seven thousand, one hundred twelve".