1161456415 has 32 divisors (see below), whose sum is σ = 1749611520. Its totient is φ = 721695744.

The previous prime is 1161456389. The next prime is 1161456419. The reversal of 1161456415 is 5146541611.

It is not a de Polignac number, because 1161456415 - 2⁵ = 1161456383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161456419) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 22674 + ... + 53263.

It is an arithmetic number, because the mean of its divisors is an integer number (54675360).

Almost surely, 2^1161456415 is an apocalyptic number.

1161456415 is a deficient number, since it is larger than the sum of its proper divisors (588155105).

1161456415 is a wasteful number, since it uses less digits than its factorization.

1161456415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75991.

The product of its digits is 14400, while the sum is 34.

The square root of 1161456415 is about 34080.1469333687. The cubic root of 1161456415 is about 1051.1571264654.

The spelling of 1161456415 in words is "one billion, one hundred sixty-one million, four hundred fifty-six thousand, four hundred fifteen".