133055231215 has 16 divisors (see below), whose sum is σ = 160689648960. Its totient is φ = 105764083200.

The previous prime is 133055231213. The next prime is 133055231261. The reversal of 133055231215 is 512132550331.

It is not a de Polignac number, because 133055231215 - 2¹ = 133055231213 is a prime.

It is a super-2 number, since 2×133055231215² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133055231213) 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, 363415 + ... + 631015.

It is an arithmetic number, because the mean of its divisors is an integer number (10043103060).

Almost surely, 2^133055231215 is an apocalyptic number.

133055231215 is a deficient number, since it is larger than the sum of its proper divisors (27634417745).

133055231215 is a wasteful number, since it uses less digits than its factorization.

133055231215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268242.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 133055231215 its reverse (512132550331), we get a palindrome (645187781546).

The spelling of 133055231215 in words is "one hundred thirty-three billion, fifty-five million, two hundred thirty-one thousand, two hundred fifteen".