11230420660 has 48 divisors (see below), whose sum is σ = 24993105984. Its totient is φ = 4224209408.

The previous prime is 11230420651. The next prime is 11230420693. The reversal of 11230420660 is 6602403211.

It is a super-2 number, since 2×11230420660² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389667 + ... + 417493.

It is an arithmetic number, because the mean of its divisors is an integer number (520689708).

Almost surely, 2^11230420660 is an apocalyptic number.

11230420660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11230420660 is an abundant number, since it is smaller than the sum of its proper divisors (13762685324).

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

11230420660 is a wasteful number, since it uses less digits than its factorization.

11230420660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29040 (or 29038 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 11230420660 its reverse (6602403211), we get a palindrome (17832823871).

The spelling of 11230420660 in words is "eleven billion, two hundred thirty million, four hundred twenty thousand, six hundred sixty".