11553053266 has 16 divisors (see below), whose sum is σ = 17544075480. Its totient is φ = 5705308800.

The previous prime is 11553053159. The next prime is 11553053269. The reversal of 11553053266 is 66235035511.

It can be written as a sum of positive squares in 4 ways, for example, as 11520802225 + 32251041 = 107335^2 + 5679^2 .

It is not an unprimeable number, because it can be changed into a prime (11553053269) 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, 12700 + ... + 152536.

Almost surely, 2^11553053266 is an apocalyptic number.

11553053266 is a deficient number, since it is larger than the sum of its proper divisors (5991022214).

11553053266 is a wasteful number, since it uses less digits than its factorization.

11553053266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140349.

The product of its (nonzero) digits is 81000, while the sum is 37.

Adding to 11553053266 its reverse (66235035511), we get a palindrome (77788088777).

The spelling of 11553053266 in words is "eleven billion, five hundred fifty-three million, fifty-three thousand, two hundred sixty-six".