1165401415 has 8 divisors (see below), whose sum is σ = 1398703248. Its totient is φ = 932173440.

The previous prime is 1165401407. The next prime is 1165401439. The reversal of 1165401415 is 5141045611.

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

It is not a de Polignac number, because 1165401415 - 2³ = 1165401407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25984 + ... + 54826.

It is an arithmetic number, because the mean of its divisors is an integer number (174837906).

Almost surely, 2^1165401415 is an apocalyptic number.

1165401415 is a deficient number, since it is larger than the sum of its proper divisors (233301833).

1165401415 is an equidigital number, since it uses as much as digits as its factorization.

1165401415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36929.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 1165401415 is about 34137.9761409490. The cubic root of 1165401415 is about 1052.3459007863.

The spelling of 1165401415 in words is "one billion, one hundred sixty-five million, four hundred one thousand, four hundred fifteen".