11231013650 has 24 divisors (see below), whose sum is σ = 20951704020. Its totient is φ = 4479068160.

The previous prime is 11231013649. The next prime is 11231013659. The reversal of 11231013650 is 5631013211.

It can be written as a sum of positive squares in 6 ways, for example, as 6424503409 + 4806510241 = 80153^2 + 69329^2 .

It is a super-2 number, since 2×11231013650² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231013659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316415 + ... + 350114.

Almost surely, 2^11231013650 is an apocalyptic number.

11231013650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11231013650 is a deficient number, since it is larger than the sum of its proper divisors (9720690370).

11231013650 is a wasteful number, since it uses less digits than its factorization.

11231013650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666878 (or 666873 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 11231013650 its reverse (5631013211), we get a palindrome (16862026861).

The spelling of 11231013650 in words is "eleven billion, two hundred thirty-one million, thirteen thousand, six hundred fifty".