1186916360545 has 16 divisors (see below), whose sum is σ = 1443334717440. Its totient is φ = 936872792064.

The previous prime is 1186916360543. The next prime is 1186916360561. The reversal of 1186916360545 is 5450636196811.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1186916360545 - 2¹ = 1186916360543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1186916360543) 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, 1540449 + ... + 2178718.

It is an arithmetic number, because the mean of its divisors is an integer number (90208419840).

Almost surely, 2^{1186916360545} is an apocalyptic number.

It is an amenable number.

1186916360545 is a deficient number, since it is larger than the sum of its proper divisors (256418356895).

1186916360545 is an equidigital number, since it uses as much as digits as its factorization.

1186916360545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720024.

The product of its (nonzero) digits is 4665600, while the sum is 55.

The spelling of 1186916360545 in words is "one trillion, one hundred eighty-six billion, nine hundred sixteen million, three hundred sixty thousand, five hundred forty-five".