21514530530132 has 24 divisors (see below), whose sum is σ = 38948900881800. Its totient is φ = 10386276598656.

The previous prime is 21514530530069. The next prime is 21514530530177. The reversal of 21514530530132 is 23103503541512.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11092390114576 + 10422140415556 = 3330524^2 + 3228334^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21514530530092 and 21514530530101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44877794 + ... + 45354662.

It is an arithmetic number, because the mean of its divisors is an integer number (1622870870075).

Almost surely, 2^{21514530530132} is an apocalyptic number.

It is an amenable number.

21514530530132 is a deficient number, since it is larger than the sum of its proper divisors (17434370351668).

21514530530132 is a wasteful number, since it uses less digits than its factorization.

21514530530132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865835 (or 865833 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 21514530530132 in words is "twenty-one trillion, five hundred fourteen billion, five hundred thirty million, five hundred thirty thousand, one hundred thirty-two".