1146117721615 has 4 divisors (see below), whose sum is σ = 1375341265944. Its totient is φ = 916894177288.

The previous prime is 1146117721597. The next prime is 1146117721621. The reversal of 1146117721615 is 5161277116411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1146117721615 - 2¹¹ = 1146117719567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114611772157 + ... + 114611772166.

It is an arithmetic number, because the mean of its divisors is an integer number (343835316486).

Almost surely, 2^{1146117721615} is an apocalyptic number.

1146117721615 is a deficient number, since it is larger than the sum of its proper divisors (229223544329).

1146117721615 is an equidigital number, since it uses as much as digits as its factorization.

1146117721615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229223544328.

The product of its digits is 70560, while the sum is 43.

The spelling of 1146117721615 in words is "one trillion, one hundred forty-six billion, one hundred seventeen million, seven hundred twenty-one thousand, six hundred fifteen".