21510150466132 has 96 divisors (see below), whose sum is σ = 42151345488000. Its totient is φ = 9577959022080.

The previous prime is 21510150466073. The next prime is 21510150466139. The reversal of 21510150466132 is 23166405101512.

It is a junction number, because it is equal to n+sod(n) for n = 21510150466091 and 21510150466100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21510150466139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309503907 + ... + 309573397.

It is an arithmetic number, because the mean of its divisors is an integer number (439076515500).

Almost surely, 2^{21510150466132} is an apocalyptic number.

It is an amenable number.

21510150466132 is a deficient number, since it is larger than the sum of its proper divisors (20641195021868).

21510150466132 is a wasteful number, since it uses less digits than its factorization.

21510150466132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70394 (or 70358 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 21510150466132 its reverse (23166405101512), we get a palindrome (44676555567644).

The spelling of 21510150466132 in words is "twenty-one trillion, five hundred ten billion, one hundred fifty million, four hundred sixty-six thousand, one hundred thirty-two".