1125118180186 has 48 divisors (see below), whose sum is σ = 2306436098400. Its totient is φ = 404637901920.

The previous prime is 1125118180097. The next prime is 1125118180187. The reversal of 1125118180186 is 6810818115211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1125118180187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40128636 + ... + 40156663.

It is an arithmetic number, because the mean of its divisors is an integer number (48050752050).

Almost surely, 2^{1125118180186} is an apocalyptic number.

1125118180186 is an abundant number, since it is smaller than the sum of its proper divisors (1181317918214).

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

1125118180186 is a wasteful number, since it uses less digits than its factorization.

1125118180186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80285339 (or 80285332 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 43.

The spelling of 1125118180186 in words is "one trillion, one hundred twenty-five billion, one hundred eighteen million, one hundred eighty thousand, one hundred eighty-six".