11421776830 has 16 divisors (see below), whose sum is σ = 20560422960. Its totient is φ = 4568438592.

The previous prime is 11421776749. The next prime is 11421776833. The reversal of 11421776830 is 3867712411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421776833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282442 + ... + 320338.

It is an arithmetic number, because the mean of its divisors is an integer number (1285026435).

Almost surely, 2^11421776830 is an apocalyptic number.

11421776830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11421776830 is a deficient number, since it is larger than the sum of its proper divisors (9138646130).

11421776830 is a wasteful number, since it uses less digits than its factorization.

11421776830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68043.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 11421776830 in words is "eleven billion, four hundred twenty-one million, seven hundred seventy-six thousand, eight hundred thirty".