11421015540331 has 4 divisors (see below), whose sum is σ = 11421277120000. Its totient is φ = 11420753960664.

The previous prime is 11421015540329. The next prime is 11421015540427. The reversal of 11421015540331 is 13304551012411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11421015540331 - 2¹ = 11421015540329 is a prime.

It is a super-2 number, since 2×11421015540331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11421015540293 and 11421015540302.

It is not an unprimeable number, because it can be changed into a prime (11421015549331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130724331 + ... + 130811668.

It is an arithmetic number, because the mean of its divisors is an integer number (2855319280000).

Almost surely, 2^{11421015540331} is an apocalyptic number.

11421015540331 is a deficient number, since it is larger than the sum of its proper divisors (261579669).

11421015540331 is an equidigital number, since it uses as much as digits as its factorization.

11421015540331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261579668.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 11421015540331 its reverse (13304551012411), we get a palindrome (24725566552742).

The spelling of 11421015540331 in words is "eleven trillion, four hundred twenty-one billion, fifteen million, five hundred forty thousand, three hundred thirty-one".