2133154205325 has 144 divisors (see below), whose sum is σ = 4515563235456. Its totient is φ = 948979238400.

The previous prime is 2133154205321. The next prime is 2133154205333. The reversal of 2133154205325 is 5235024513312.

2133154205325 is a `hidden beast` number, since 2 + 13 + 31 + 542 + 0 + 53 + 25 = 666.

It is not a de Polignac number, because 2133154205325 - 2² = 2133154205321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2133154205325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133154205321) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5174727 + ... + 5571723.

It is an arithmetic number, because the mean of its divisors is an integer number (31358078024).

Almost surely, 2^{2133154205325} is an apocalyptic number.

2133154205325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2133154205325 is an abundant number, since it is smaller than the sum of its proper divisors (2382409030131).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133154205325 is a wasteful number, since it uses less digits than its factorization.

2133154205325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397204 (or 397196 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 2133154205325 its reverse (5235024513312), we get a palindrome (7368178718637).

The spelling of 2133154205325 in words is "two trillion, one hundred thirty-three billion, one hundred fifty-four million, two hundred five thousand, three hundred twenty-five".