1166245604515 has 8 divisors (see below), whose sum is σ = 1401116393088. Its totient is φ = 931915371840.

The previous prime is 1166245604509. The next prime is 1166245604519. The reversal of 1166245604515 is 5154065426611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1166245604515 - 2⁹ = 1166245604003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166245604519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135134226 + ... + 135142855.

It is an arithmetic number, because the mean of its divisors is an integer number (175139549136).

Almost surely, 2^{1166245604515} is an apocalyptic number.

1166245604515 is a deficient number, since it is larger than the sum of its proper divisors (234870788573).

1166245604515 is an equidigital number, since it uses as much as digits as its factorization.

1166245604515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270277949.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 1166245604515 in words is "one trillion, one hundred sixty-six billion, two hundred forty-five million, six hundred four thousand, five hundred fifteen".