21514420115324 has 12 divisors (see below), whose sum is σ = 37651819507344. Its totient is φ = 10756757398944.

The previous prime is 21514420115303. The next prime is 21514420115341. The reversal of 21514420115324 is 42351102441512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113057729 + ... + 113247864.

It is an arithmetic number, because the mean of its divisors is an integer number (3137651625612).

Almost surely, 2^{21514420115324} is an apocalyptic number.

It is an amenable number.

21514420115324 is a deficient number, since it is larger than the sum of its proper divisors (16137399392020).

21514420115324 is a wasteful number, since it uses less digits than its factorization.

21514420115324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226329364 (or 226329362 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 21514420115324 its reverse (42351102441512), we get a palindrome (63865522556836).

The spelling of 21514420115324 in words is "twenty-one trillion, five hundred fourteen billion, four hundred twenty million, one hundred fifteen thousand, three hundred twenty-four".