1145116615 has 8 divisors (see below), whose sum is σ = 1379102400. Its totient is φ = 912784992.

The previous prime is 1145116543. The next prime is 1145116619. The reversal of 1145116615 is 5166115411.

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

It is a cyclic number.

It is not a de Polignac number, because 1145116615 - 2¹¹ = 1145114567 is a prime.

It is a super-2 number, since 2×1145116615² = 2622584123898116450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145116619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412015 + ... + 414784.

It is an arithmetic number, because the mean of its divisors is an integer number (172387800).

Almost surely, 2^1145116615 is an apocalyptic number.

1145116615 is a deficient number, since it is larger than the sum of its proper divisors (233985785).

1145116615 is an equidigital number, since it uses as much as digits as its factorization.

1145116615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827081.

The product of its digits is 3600, while the sum is 31.

The square root of 1145116615 is about 33839.5717319236. The cubic root of 1145116615 is about 1046.2044718584.

The spelling of 1145116615 in words is "one billion, one hundred forty-five million, one hundred sixteen thousand, six hundred fifteen".