11775821230 has 16 divisors (see below), whose sum is σ = 21273004800. Its totient is φ = 4693322592.

The previous prime is 11775821207. The next prime is 11775821257. The reversal of 11775821230 is 3212857711.

It is a self number, because there is not a number n which added to its sum of digits gives 11775821230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2122830 + ... + 2128369.

It is an arithmetic number, because the mean of its divisors is an integer number (1329562800).

Almost surely, 2^11775821230 is an apocalyptic number.

11775821230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11775821230 is a deficient number, since it is larger than the sum of its proper divisors (9497183570).

11775821230 is a wasteful number, since it uses less digits than its factorization.

11775821230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251483.

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 11775821230 in words is "eleven billion, seven hundred seventy-five million, eight hundred twenty-one thousand, two hundred thirty".