11303649385 has 32 divisors (see below), whose sum is σ = 16347882240. Its totient is φ = 7329699072.

The previous prime is 11303649361. The next prime is 11303649389. The reversal of 11303649385 is 58394630311.

It is a cyclic number.

It is not a de Polignac number, because 11303649385 - 2²¹ = 11301552233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11303649389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355147 + ... + 385663.

It is an arithmetic number, because the mean of its divisors is an integer number (510871320).

Almost surely, 2^11303649385 is an apocalyptic number.

It is an amenable number.

11303649385 is a deficient number, since it is larger than the sum of its proper divisors (5044232855).

11303649385 is a wasteful number, since it uses less digits than its factorization.

11303649385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31105.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 11303649385 in words is "eleven billion, three hundred three million, six hundred forty-nine thousand, three hundred eighty-five".