1164575265 has 64 divisors (see below), whose sum is σ = 2249994240. Its totient is φ = 502467840.

The previous prime is 1164575231. The next prime is 1164575287. The reversal of 1164575265 is 5625754611.

It is not a de Polignac number, because 1164575265 - 2¹⁶ = 1164509729 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 619507 + ... + 621383.

It is an arithmetic number, because the mean of its divisors is an integer number (35156160).

Almost surely, 2^1164575265 is an apocalyptic number.

1164575265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1164575265 is a deficient number, since it is larger than the sum of its proper divisors (1085418975).

1164575265 is a wasteful number, since it uses less digits than its factorization.

1164575265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222.

The product of its digits is 252000, while the sum is 42.

The square root of 1164575265 is about 34125.8738349658. The cubic root of 1164575265 is about 1052.0971735887.

The spelling of 1164575265 in words is "one billion, one hundred sixty-four million, five hundred seventy-five thousand, two hundred sixty-five".