1166141515 has 64 divisors (see below), whose sum is σ = 1844674560. Its totient is φ = 686125440.

The previous prime is 1166141513. The next prime is 1166141527. The reversal of 1166141515 is 5151416611.

It is not a de Polignac number, because 1166141515 - 2¹ = 1166141513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1166141513) 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 63 ways as a sum of consecutive naturals, for example, 698712 + ... + 700378.

It is an arithmetic number, because the mean of its divisors is an integer number (28823040).

Almost surely, 2^1166141515 is an apocalyptic number.

1166141515 is a deficient number, since it is larger than the sum of its proper divisors (678533045).

1166141515 is a wasteful number, since it uses less digits than its factorization.

1166141515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792.

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

The square root of 1166141515 is about 34148.8142546707. The cubic root of 1166141515 is about 1052.5686212953.

The spelling of 1166141515 in words is "one billion, one hundred sixty-six million, one hundred forty-one thousand, five hundred fifteen".