21035041477485 has 24 divisors (see below), whose sum is σ = 39150934343136. Its totient is φ = 9616018960800.

The previous prime is 21035041477423. The next prime is 21035041477523. The reversal of 21035041477485 is 58477414053012.

It is not a de Polignac number, because 21035041477485 - 2⁹ = 21035041476973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14309551291 + ... + 14309552760.

It is an arithmetic number, because the mean of its divisors is an integer number (1631288930964).

Almost surely, 2^{21035041477485} is an apocalyptic number.

It is an amenable number.

21035041477485 is a deficient number, since it is larger than the sum of its proper divisors (18115892865651).

21035041477485 is a wasteful number, since it uses less digits than its factorization.

21035041477485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28619104073 (or 28619104066 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 51.

The spelling of 21035041477485 in words is "twenty-one trillion, thirty-five billion, forty-one million, four hundred seventy-seven thousand, four hundred eighty-five".