13020004042037 has 2 divisors, whose sum is σ = 13020004042038. Its totient is φ = 13020004042036.

The previous prime is 13020004042021. The next prime is 13020004042043. The reversal of 13020004042037 is 73024040002031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6981823274596 + 6038180767441 = 2642314^2 + 2457271^2 .

It is a cyclic number.

It is not a de Polignac number, because 13020004042037 - 2⁴ = 13020004042021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13020004041997 and 13020004042015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13020004032037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510002021018 + 6510002021019.

It is an arithmetic number, because the mean of its divisors is an integer number (6510002021019).

Almost surely, 2^{13020004042037} is an apocalyptic number.

It is an amenable number.

13020004042037 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020004042037 is an equidigital number, since it uses as much as digits as its factorization.

13020004042037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 13020004042037 its reverse (73024040002031), we get a palindrome (86044044044068).

The spelling of 13020004042037 in words is "thirteen trillion, twenty billion, four million, forty-two thousand, thirty-seven".