133503511215 has 16 divisors (see below), whose sum is σ = 213610967136. Its totient is φ = 71200089600.

The previous prime is 133503511213. The next prime is 133503511321. The reversal of 133503511215 is 512115305331.

It is not a de Polignac number, because 133503511215 - 2¹ = 133503511213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133503511213) 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, 696435 + ... + 867195.

It is an arithmetic number, because the mean of its divisors is an integer number (13350685446).

Almost surely, 2^133503511215 is an apocalyptic number.

133503511215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133503511215 is a deficient number, since it is larger than the sum of its proper divisors (80107455921).

133503511215 is a wasteful number, since it uses less digits than its factorization.

133503511215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222890.

The product of its (nonzero) digits is 6750, while the sum is 30.

Adding to 133503511215 its reverse (512115305331), we get a palindrome (645618816546).

The spelling of 133503511215 in words is "one hundred thirty-three billion, five hundred three million, five hundred eleven thousand, two hundred fifteen".