133552501255 has 4 divisors (see below), whose sum is σ = 160263001512. Its totient is φ = 106842001000.

The previous prime is 133552501223. The next prime is 133552501267. The reversal of 133552501255 is 552105255331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 133552501255 - 2⁵ = 133552501223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13355250121 + ... + 13355250130.

It is an arithmetic number, because the mean of its divisors is an integer number (40065750378).

Almost surely, 2^133552501255 is an apocalyptic number.

133552501255 is a deficient number, since it is larger than the sum of its proper divisors (26710500257).

133552501255 is an equidigital number, since it uses as much as digits as its factorization.

133552501255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26710500256.

The product of its (nonzero) digits is 112500, while the sum is 37.

Adding to 133552501255 its reverse (552105255331), we get a palindrome (685657756586).

The spelling of 133552501255 in words is "one hundred thirty-three billion, five hundred fifty-two million, five hundred one thousand, two hundred fifty-five".