21824128087036 has 48 divisors (see below), whose sum is σ = 42551723515392. Its totient is φ = 9708763680000.

The previous prime is 21824128087001. The next prime is 21824128087063. The reversal of 21824128087036 is 63078082142812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111576355 + ... + 111771781.

It is an arithmetic number, because the mean of its divisors is an integer number (886494239904).

Almost surely, 2^{21824128087036} is an apocalyptic number.

It is an amenable number.

21824128087036 is a deficient number, since it is larger than the sum of its proper divisors (20727595428356).

21824128087036 is a wasteful number, since it uses less digits than its factorization.

21824128087036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249490 (or 249488 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 21824128087036 in words is "twenty-one trillion, eight hundred twenty-four billion, one hundred twenty-eight million, eighty-seven thousand, thirty-six".