40201521133 has 2 divisors, whose sum is σ = 40201521134. Its totient is φ = 40201521132.

The previous prime is 40201521119. The next prime is 40201521223. The reversal of 40201521133 is 33112510204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32595413764 + 7606107369 = 180542^2 + 87213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40201521133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40201527133) 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 as a sum of consecutive naturals, namely, 20100760566 + 20100760567.

It is an arithmetic number, because the mean of its divisors is an integer number (20100760567).

Almost surely, 2^40201521133 is an apocalyptic number.

It is an amenable number.

40201521133 is a deficient number, since it is larger than the sum of its proper divisors (1).

40201521133 is an equidigital number, since it uses as much as digits as its factorization.

40201521133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The spelling of 40201521133 in words is "forty billion, two hundred one million, five hundred twenty-one thousand, one hundred thirty-three".