11064535261 has 8 divisors (see below), whose sum is σ = 11916474584. Its totient is φ = 10212713280.

The previous prime is 11064535253. The next prime is 11064535291. The reversal of 11064535261 is 16253546011.

It can be written as a sum of positive squares in 4 ways, for example, as 17264025 + 11047271236 = 4155^2 + 105106^2 .

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 11064535261 - 2³ = 11064535253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11064535201) 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, 325951 + ... + 358291.

It is an arithmetic number, because the mean of its divisors is an integer number (1489559323).

Almost surely, 2^11064535261 is an apocalyptic number.

It is an amenable number.

11064535261 is a deficient number, since it is larger than the sum of its proper divisors (851939323).

11064535261 is a wasteful number, since it uses less digits than its factorization.

11064535261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58671.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 11064535261 in words is "eleven billion, sixty-four million, five hundred thirty-five thousand, two hundred sixty-one".