5631158384237 has 2 divisors, whose sum is σ = 5631158384238. Its totient is φ = 5631158384236.

The previous prime is 5631158384233. The next prime is 5631158384239. The reversal of 5631158384237 is 7324838511365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5040649129321 + 590509254916 = 2245139^2 + 768446^2 .

It is a cyclic number.

It is not a de Polignac number, because 5631158384237 - 2² = 5631158384233 is a prime.

Together with 5631158384239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5631158384231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2815579192118 + 2815579192119.

It is an arithmetic number, because the mean of its divisors is an integer number (2815579192119).

Almost surely, 2^{5631158384237} is an apocalyptic number.

It is an amenable number.

5631158384237 is a deficient number, since it is larger than the sum of its proper divisors (1).

5631158384237 is an equidigital number, since it uses as much as digits as its factorization.

5631158384237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 56.

The spelling of 5631158384237 in words is "five trillion, six hundred thirty-one billion, one hundred fifty-eight million, three hundred eighty-four thousand, two hundred thirty-seven".