11245666365 has 24 divisors (see below), whose sum is σ = 19561878648. Its totient is φ = 5976337920.

The previous prime is 11245666349. The next prime is 11245666403. The reversal of 11245666365 is 56366654211.

It can be written as a sum of positive squares in 4 ways, for example, as 918635481 + 10327030884 = 30309^2 + 101622^2 .

It is not a de Polignac number, because 11245666365 - 2⁴ = 11245666349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11245666365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432024 + ... + 457313.

It is an arithmetic number, because the mean of its divisors is an integer number (815078277).

Almost surely, 2^11245666365 is an apocalyptic number.

11245666365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11245666365 is a deficient number, since it is larger than the sum of its proper divisors (8316212283).

11245666365 is a wasteful number, since it uses less digits than its factorization.

11245666365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889629 (or 889626 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 11245666365 in words is "eleven billion, two hundred forty-five million, six hundred sixty-six thousand, three hundred sixty-five".