5518157025229 has 2 divisors, whose sum is σ = 5518157025230. Its totient is φ = 5518157025228.

The previous prime is 5518157025167. The next prime is 5518157025307. The reversal of 5518157025229 is 9225207518155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3243157969129 + 2274999056100 = 1800877^2 + 1508310^2 .

It is a cyclic number.

It is not a de Polignac number, because 5518157025229 - 2¹⁵ = 5518156992461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5518157025629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2759078512614 + 2759078512615.

It is an arithmetic number, because the mean of its divisors is an integer number (2759078512615).

Almost surely, 2^{5518157025229} is an apocalyptic number.

It is an amenable number.

5518157025229 is a deficient number, since it is larger than the sum of its proper divisors (1).

5518157025229 is an equidigital number, since it uses as much as digits as its factorization.

5518157025229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520000, while the sum is 52.

The spelling of 5518157025229 in words is "five trillion, five hundred eighteen billion, one hundred fifty-seven million, twenty-five thousand, two hundred twenty-nine".