215553032133 has 16 divisors (see below), whose sum is σ = 300093180480. Its totient is φ = 137450074496.

The previous prime is 215553032117. The next prime is 215553032197. The reversal of 215553032133 is 331230355512.

It is a cyclic number.

It is not a de Polignac number, because 215553032133 - 2⁴ = 215553032117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 215553032094 and 215553032103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215553032033) 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, 11568360 + ... + 11586977.

It is an arithmetic number, because the mean of its divisors is an integer number (18755823780).

Almost surely, 2^215553032133 is an apocalyptic number.

It is an amenable number.

215553032133 is a deficient number, since it is larger than the sum of its proper divisors (84540148347).

215553032133 is a wasteful number, since it uses less digits than its factorization.

215553032133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23155476.

The product of its (nonzero) digits is 40500, while the sum is 33.

Adding to 215553032133 its reverse (331230355512), we get a palindrome (546783387645).

The spelling of 215553032133 in words is "two hundred fifteen billion, five hundred fifty-three million, thirty-two thousand, one hundred thirty-three".