21485382101528 has 32 divisors (see below), whose sum is σ = 41400214605360. Its totient is φ = 10445694514560.

The previous prime is 21485382101501. The next prime is 21485382101537. The reversal of 21485382101528 is 82510128358412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22636751 + ... + 23566782.

Almost surely, 2^{21485382101528} is an apocalyptic number.

It is an amenable number.

21485382101528 is a deficient number, since it is larger than the sum of its proper divisors (19914832503832).

21485382101528 is a wasteful number, since it uses less digits than its factorization.

21485382101528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46205147 (or 46205143 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 50.

The spelling of 21485382101528 in words is "twenty-one trillion, four hundred eighty-five billion, three hundred eighty-two million, one hundred one thousand, five hundred twenty-eight".