11213230516 has 18 divisors (see below), whose sum is σ = 19654234278. Its totient is φ = 5597743680.

The previous prime is 11213230487. The next prime is 11213230519. The reversal of 11213230516 is 61503231211.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 676208016 + 10537022500 = 26004^2 + 102650^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213230519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6766360 + ... + 6768016.

Almost surely, 2^11213230516 is an apocalyptic number.

It is an amenable number.

11213230516 is a deficient number, since it is larger than the sum of its proper divisors (8441003762).

11213230516 is an equidigital number, since it uses as much as digits as its factorization.

11213230516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339 (or 2680 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 11213230516 its reverse (61503231211), we get a palindrome (72716461727).

The spelling of 11213230516 in words is "eleven billion, two hundred thirteen million, two hundred thirty thousand, five hundred sixteen".