11628213252 has 48 divisors (see below), whose sum is σ = 27776519232. Its totient is φ = 3784152960.

The previous prime is 11628213251. The next prime is 11628213269. The reversal of 11628213252 is 25231282611.

It is not an unprimeable number, because it can be changed into a prime (11628213251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522002 + ... + 1529622.

It is an arithmetic number, because the mean of its divisors is an integer number (578677484).

Almost surely, 2^11628213252 is an apocalyptic number.

11628213252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11628213252 is an abundant number, since it is smaller than the sum of its proper divisors (16148305980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11628213252 is a wasteful number, since it uses less digits than its factorization.

11628213252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10628 (or 10626 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

Adding to 11628213252 its reverse (25231282611), we get a palindrome (36859495863).

The spelling of 11628213252 in words is "eleven billion, six hundred twenty-eight million, two hundred thirteen thousand, two hundred fifty-two".