133253503155 has 24 divisors (see below), whose sum is σ = 231794727840. Its totient is φ = 70815615360.

The previous prime is 133253503057. The next prime is 133253503169. The reversal of 133253503155 is 551305352331.

133253503155 is a `hidden beast` number, since 1 + 332 + 5 + 3 + 5 + 0 + 315 + 5 = 666.

It is not a de Polignac number, because 133253503155 - 2²⁵ = 133219948723 is a prime.

It is a super-2 number, since 2×133253503155² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5256375 + ... + 5281664.

It is an arithmetic number, because the mean of its divisors is an integer number (9658113660).

Almost surely, 2^133253503155 is an apocalyptic number.

133253503155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133253503155 is a deficient number, since it is larger than the sum of its proper divisors (98541224685).

133253503155 is a wasteful number, since it uses less digits than its factorization.

133253503155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10538331 (or 10538328 counting only the distinct ones).

The product of its (nonzero) digits is 101250, while the sum is 36.

Adding to 133253503155 its reverse (551305352331), we get a palindrome (684558855486).

The spelling of 133253503155 in words is "one hundred thirty-three billion, two hundred fifty-three million, five hundred three thousand, one hundred fifty-five".