21116034325432 has 32 divisors (see below), whose sum is σ = 40135443314400. Its totient is φ = 10413253154304.

The previous prime is 21116034325391. The next prime is 21116034325447. The reversal of 21116034325432 is 23452343061112.

It is a junction number, because it is equal to n+sod(n) for n = 21116034325391 and 21116034325400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57679668 + ... + 58044604.

It is an arithmetic number, because the mean of its divisors is an integer number (1254232603575).

Almost surely, 2^{21116034325432} is an apocalyptic number.

It is an amenable number.

21116034325432 is a deficient number, since it is larger than the sum of its proper divisors (19019408988968).

21116034325432 is a wasteful number, since it uses less digits than its factorization.

21116034325432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464095 (or 464091 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 21116034325432 its reverse (23452343061112), we get a palindrome (44568377386544).

The spelling of 21116034325432 in words is "twenty-one trillion, one hundred sixteen billion, thirty-four million, three hundred twenty-five thousand, four hundred thirty-two".