11421421076 has 12 divisors (see below), whose sum is σ = 21524985972. Its totient is φ = 5271425088.

The previous prime is 11421421043. The next prime is 11421421087. The reversal of 11421421076 is 67012412411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3489737476 + 7931683600 = 59074^2 + 89060^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 109821305 + ... + 109821408.

It is an arithmetic number, because the mean of its divisors is an integer number (1793748831).

Almost surely, 2^11421421076 is an apocalyptic number.

It is an amenable number.

11421421076 is a deficient number, since it is larger than the sum of its proper divisors (10103564896).

11421421076 is a wasteful number, since it uses less digits than its factorization.

11421421076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219642730 (or 219642728 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

Adding to 11421421076 its reverse (67012412411), we get a palindrome (78433833487).

The spelling of 11421421076 in words is "eleven billion, four hundred twenty-one million, four hundred twenty-one thousand, seventy-six".