1166053515 has 32 divisors (see below), whose sum is σ = 2043878400. Its totient is φ = 562974720.

The previous prime is 1166053501. The next prime is 1166053531. The reversal of 1166053515 is 5153506611.

It is not a de Polignac number, because 1166053515 - 2⁷ = 1166053387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24651 + ... + 54219.

It is an arithmetic number, because the mean of its divisors is an integer number (63871200).

Almost surely, 2^1166053515 is an apocalyptic number.

1166053515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1166053515 is a deficient number, since it is larger than the sum of its proper divisors (877824885).

1166053515 is a wasteful number, since it uses less digits than its factorization.

1166053515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29827.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 1166053515 is about 34147.5257522416. The cubic root of 1166053515 is about 1052.5421441290.

The spelling of 1166053515 in words is "one billion, one hundred sixty-six million, fifty-three thousand, five hundred fifteen".