20143102537 has 2 divisors, whose sum is σ = 20143102538. Its totient is φ = 20143102536.

The previous prime is 20143102519. The next prime is 20143102543. The reversal of 20143102537 is 73520134102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18361334016 + 1781768521 = 135504^2 + 42211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20143102537 is a prime.

It is not a weakly prime, because it can be changed into another prime (20143102237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10071551268 + 10071551269.

It is an arithmetic number, because the mean of its divisors is an integer number (10071551269).

Almost surely, 2^20143102537 is an apocalyptic number.

It is an amenable number.

20143102537 is a deficient number, since it is larger than the sum of its proper divisors (1).

20143102537 is an equidigital number, since it uses as much as digits as its factorization.

20143102537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 20143102537 its reverse (73520134102), we get a palindrome (93663236639).

The spelling of 20143102537 in words is "twenty billion, one hundred forty-three million, one hundred two thousand, five hundred thirty-seven".