1185061173946 has 32 divisors (see below), whose sum is σ = 2017371787200. Its totient is φ = 517576055040.

The previous prime is 1185061173943. The next prime is 1185061173953. The reversal of 1185061173946 is 6493711605811.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1185061173893 and 1185061173902.

It is not an unprimeable number, because it can be changed into a prime (1185061173943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926256 + ... + 1796683.

It is an arithmetic number, because the mean of its divisors is an integer number (63042868350).

Almost surely, 2^{1185061173946} is an apocalyptic number.

1185061173946 is a deficient number, since it is larger than the sum of its proper divisors (832310613254).

1185061173946 is a wasteful number, since it uses less digits than its factorization.

1185061173946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723854.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 1185061173946 in words is "one trillion, one hundred eighty-five billion, sixty-one million, one hundred seventy-three thousand, nine hundred forty-six".