11132640245 has 8 divisors (see below), whose sum is σ = 13368499416. Its totient is φ = 8899891456.

The previous prime is 11132640241. The next prime is 11132640271. The reversal of 11132640245 is 54204623111.

It can be written as a sum of positive squares in 4 ways, for example, as 2483826244 + 8648814001 = 49838^2 + 92999^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11132640245 - 2² = 11132640241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132640241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769712 + ... + 784041.

It is an arithmetic number, because the mean of its divisors is an integer number (1671062427).

Almost surely, 2^11132640245 is an apocalyptic number.

It is an amenable number.

11132640245 is a deficient number, since it is larger than the sum of its proper divisors (2235859171).

11132640245 is a wasteful number, since it uses less digits than its factorization.

11132640245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555191.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 11132640245 in words is "eleven billion, one hundred thirty-two million, six hundred forty thousand, two hundred forty-five".