11421434013 has 16 divisors (see below), whose sum is σ = 16628330496. Its totient is φ = 6915691440.

The previous prime is 11421433999. The next prime is 11421434021. The reversal of 11421434013 is 31043412411.

It is not a de Polignac number, because 11421434013 - 2⁴ = 11421433997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421414013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123331 + ... + 195072.

It is an arithmetic number, because the mean of its divisors is an integer number (1039270656).

Almost surely, 2^11421434013 is an apocalyptic number.

It is an amenable number.

11421434013 is a deficient number, since it is larger than the sum of its proper divisors (5206896483).

11421434013 is a wasteful number, since it uses less digits than its factorization.

11421434013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319504.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11421434013 its reverse (31043412411), we get a palindrome (42464846424).

The spelling of 11421434013 in words is "eleven billion, four hundred twenty-one million, four hundred thirty-four thousand, thirteen".