2133453664525 has 24 divisors (see below), whose sum is σ = 2809362064320. Its totient is φ = 1602624119040.

The previous prime is 2133453664523. The next prime is 2133453664571. The reversal of 2133453664525 is 5254663543312.

It is not a de Polignac number, because 2133453664525 - 2¹ = 2133453664523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133453664523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19820137 + ... + 19927486.

It is an arithmetic number, because the mean of its divisors is an integer number (117056752680).

Almost surely, 2^{2133453664525} is an apocalyptic number.

2133453664525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2133453664525 is a deficient number, since it is larger than the sum of its proper divisors (675908399795).

2133453664525 is a wasteful number, since it uses less digits than its factorization.

2133453664525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39747765 (or 39747760 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 49.

The spelling of 2133453664525 in words is "two trillion, one hundred thirty-three billion, four hundred fifty-three million, six hundred sixty-four thousand, five hundred twenty-five".