21835055672003 has 32 divisors (see below), whose sum is σ = 25874409000960. Its totient is φ = 18028714475520.

The previous prime is 21835055671963. The next prime is 21835055672029. The reversal of 21835055672003 is 30027655053812.

It is not a de Polignac number, because 21835055672003 - 2⁶ = 21835055671939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21835055672083) 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, 422209475 + ... + 422261187.

It is an arithmetic number, because the mean of its divisors is an integer number (808575281280).

Almost surely, 2^{21835055672003} is an apocalyptic number.

21835055672003 is a deficient number, since it is larger than the sum of its proper divisors (4039353328957).

21835055672003 is a wasteful number, since it uses less digits than its factorization.

21835055672003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56507.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 21835055672003 in words is "twenty-one trillion, eight hundred thirty-five billion, fifty-five million, six hundred seventy-two thousand, three".