20043551153 has 2 divisors, whose sum is σ = 20043551154. Its totient is φ = 20043551152.

The previous prime is 20043551149. The next prime is 20043551161. The reversal of 20043551153 is 35115534002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19732663729 + 310887424 = 140473^2 + 17632^2 .

It is a cyclic number.

It is not a de Polignac number, because 20043551153 - 2² = 20043551149 is a prime.

It is not a weakly prime, because it can be changed into another prime (20043551113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021775576 + 10021775577.

It is an arithmetic number, because the mean of its divisors is an integer number (10021775577).

Almost surely, 2^20043551153 is an apocalyptic number.

It is an amenable number.

20043551153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20043551153 is an equidigital number, since it uses as much as digits as its factorization.

20043551153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 20043551153 in words is "twenty billion, forty-three million, five hundred fifty-one thousand, one hundred fifty-three".