133450550451 has 12 divisors (see below), whose sum is σ = 199408868880. Its totient is φ = 85899204720.

The previous prime is 133450550447. The next prime is 133450550459. The reversal of 133450550451 is 154055054331.

133450550451 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 50 + 550 + 4 + 51 = 666.

It is not a de Polignac number, because 133450550451 - 2² = 133450550447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133450550459) 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 11 ways as a sum of consecutive naturals, for example, 255652135 + ... + 255652656.

It is an arithmetic number, because the mean of its divisors is an integer number (16617405740).

Almost surely, 2^133450550451 is an apocalyptic number.

133450550451 is a deficient number, since it is larger than the sum of its proper divisors (65958318429).

133450550451 is a wasteful number, since it uses less digits than its factorization.

133450550451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511304826 (or 511304823 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 133450550451 in words is "one hundred thirty-three billion, four hundred fifty million, five hundred fifty thousand, four hundred fifty-one".