21126532335 has 32 divisors (see below), whose sum is σ = 34986954240. Its totient is φ = 10873070208.

The previous prime is 21126532279. The next prime is 21126532337. The reversal of 21126532335 is 53323562112.

It is not a de Polignac number, because 21126532335 - 2¹⁰ = 21126531311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21126532296 and 21126532305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21126532337) 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, 859182 + ... + 883428.

It is an arithmetic number, because the mean of its divisors is an integer number (1093342320).

Almost surely, 2^21126532335 is an apocalyptic number.

21126532335 is a deficient number, since it is larger than the sum of its proper divisors (13860421905).

21126532335 is a wasteful number, since it uses less digits than its factorization.

21126532335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26287.

The product of its digits is 32400, while the sum is 33.

The spelling of 21126532335 in words is "twenty-one billion, one hundred twenty-six million, five hundred thirty-two thousand, three hundred thirty-five".