21264046511133 has 16 divisors (see below), whose sum is σ = 28389136089600. Its totient is φ = 14157498703920.

The previous prime is 21264046511117. The next prime is 21264046511153. The reversal of 21264046511133 is 33111564046212.

It is not a de Polignac number, because 21264046511133 - 2⁴ = 21264046511117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21264046511091 and 21264046511100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21264046511153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17500168 + ... + 18675758.

It is an arithmetic number, because the mean of its divisors is an integer number (1774321005600).

Almost surely, 2^{21264046511133} is an apocalyptic number.

It is an amenable number.

21264046511133 is a deficient number, since it is larger than the sum of its proper divisors (7125089578467).

21264046511133 is a wasteful number, since it uses less digits than its factorization.

21264046511133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183472.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 21264046511133 in words is "twenty-one trillion, two hundred sixty-four billion, forty-six million, five hundred eleven thousand, one hundred thirty-three".