11240662505 has 4 divisors (see below), whose sum is σ = 13488795012. Its totient is φ = 8992530000.

The previous prime is 11240662501. The next prime is 11240662513. The reversal of 11240662505 is 50526604211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50526604211 = 68531 ⋅737281.

It can be written as a sum of positive squares in 2 ways, for example, as 7974311401 + 3266351104 = 89299^2 + 57152^2 .

It is not a de Polignac number, because 11240662505 - 2² = 11240662501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11240662501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124066246 + ... + 1124066255.

It is an arithmetic number, because the mean of its divisors is an integer number (3372198753).

Almost surely, 2^11240662505 is an apocalyptic number.

It is an amenable number.

11240662505 is a deficient number, since it is larger than the sum of its proper divisors (2248132507).

11240662505 is an equidigital number, since it uses as much as digits as its factorization.

11240662505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248132506.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 11240662505 in words is "eleven billion, two hundred forty million, six hundred sixty-two thousand, five hundred five".