21500032401132 has 24 divisors (see below), whose sum is σ = 50663442690672. Its totient is φ = 7095720264000.

The previous prime is 21500032401121. The next prime is 21500032401137. The reversal of 21500032401132 is 23110423000512.

21500032401132 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (21500032401137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8869649119 + ... + 8869651542.

It is an arithmetic number, because the mean of its divisors is an integer number (2110976778778).

Almost surely, 2^{21500032401132} is an apocalyptic number.

It is an amenable number.

21500032401132 is an abundant number, since it is smaller than the sum of its proper divisors (29163410289540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21500032401132 is a wasteful number, since it uses less digits than its factorization.

21500032401132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17739300769 (or 17739300767 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 21500032401132 its reverse (23110423000512), we get a palindrome (44610455401644).

The spelling of 21500032401132 in words is "twenty-one trillion, five hundred billion, thirty-two million, four hundred one thousand, one hundred thirty-two".