12533741451 has 48 divisors (see below), whose sum is σ = 23122165248. Its totient is φ = 6352214400.

The previous prime is 12533741447. The next prime is 12533741459. The reversal of 12533741451 is 15414733521.

12533741451 is a `hidden beast` number, since 1 + 2 + 533 + 74 + 1 + 4 + 51 = 666.

It is not a de Polignac number, because 12533741451 - 2² = 12533741447 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12533741459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192151 + ... + 248976.

It is an arithmetic number, because the mean of its divisors is an integer number (481711776).

Almost surely, 2^12533741451 is an apocalyptic number.

12533741451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12533741451 is a deficient number, since it is larger than the sum of its proper divisors (10588423797).

12533741451 is a wasteful number, since it uses less digits than its factorization.

12533741451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441192 (or 441189 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The spelling of 12533741451 in words is "twelve billion, five hundred thirty-three million, seven hundred forty-one thousand, four hundred fifty-one".