33118540253 has 2 divisors, whose sum is σ = 33118540254. Its totient is φ = 33118540252.

The previous prime is 33118540211. The next prime is 33118540267. The reversal of 33118540253 is 35204581133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25229192569 + 7889347684 = 158837^2 + 88822^2 .

It is a cyclic number.

It is not a de Polignac number, because 33118540253 - 2¹⁴ = 33118523869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33118540753) 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, 16559270126 + 16559270127.

It is an arithmetic number, because the mean of its divisors is an integer number (16559270127).

Almost surely, 2^33118540253 is an apocalyptic number.

It is an amenable number.

33118540253 is a deficient number, since it is larger than the sum of its proper divisors (1).

33118540253 is an equidigital number, since it uses as much as digits as its factorization.

33118540253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 33118540253 in words is "thirty-three billion, one hundred eighteen million, five hundred forty thousand, two hundred fifty-three".