11381466265 has 8 divisors (see below), whose sum is σ = 14708356488. Its totient is φ = 8404775040.

The previous prime is 11381466209. The next prime is 11381466293. The reversal of 11381466265 is 56266418311.

It can be written as a sum of positive squares in 4 ways, for example, as 242985744 + 11138480521 = 15588^2 + 105539^2 .

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

It is not a de Polignac number, because 11381466265 - 2¹⁹ = 11380941977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87549676 + ... + 87549805.

It is an arithmetic number, because the mean of its divisors is an integer number (1838544561).

Almost surely, 2^11381466265 is an apocalyptic number.

It is an amenable number.

11381466265 is a deficient number, since it is larger than the sum of its proper divisors (3326890223).

11381466265 is a wasteful number, since it uses less digits than its factorization.

11381466265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175099499.

The product of its digits is 207360, while the sum is 43.

It can be divided in two parts, 1138146 and 6265, that added together give a palindrome (1144411).

The spelling of 11381466265 in words is "eleven billion, three hundred eighty-one million, four hundred sixty-six thousand, two hundred sixty-five".