1164252505 has 16 divisors (see below), whose sum is σ = 1505355264. Its totient is φ = 859308480.

The previous prime is 1164252503. The next prime is 1164252511. The reversal of 1164252505 is 5052524611.

It is not a de Polignac number, because 1164252505 - 2¹ = 1164252503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1164252503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172912 + ... + 179518.

It is an arithmetic number, because the mean of its divisors is an integer number (94084704).

Almost surely, 2^1164252505 is an apocalyptic number.

It is an amenable number.

1164252505 is a deficient number, since it is larger than the sum of its proper divisors (341102759).

1164252505 is a wasteful number, since it uses less digits than its factorization.

1164252505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9336.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 1164252505 is about 34121.1445441093. The cubic root of 1164252505 is about 1051.9999689769. Note that the first 4 decimals are identical.

The spelling of 1164252505 in words is "one billion, one hundred sixty-four million, two hundred fifty-two thousand, five hundred five".