5187203705537 has 12 divisors (see below), whose sum is σ = 6147944941716. Its totient is φ = 4362284515680.

The previous prime is 5187203705513. The next prime is 5187203705549. The reversal of 5187203705537 is 7355073027815.

It can be written as a sum of positive squares in 2 ways, for example, as 4036306011136 + 1150897694401 = 2009056^2 + 1072799^2 .

It is not a de Polignac number, because 5187203705537 - 2³⁰ = 5186129963713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5187203707537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 998688914 + ... + 998694107.

It is an arithmetic number, because the mean of its divisors is an integer number (512328745143).

Almost surely, 2^{5187203705537} is an apocalyptic number.

It is an amenable number.

5187203705537 is a deficient number, since it is larger than the sum of its proper divisors (960741236179).

5187203705537 is a wasteful number, since it uses less digits than its factorization.

5187203705537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997383088 (or 1997383081 counting only the distinct ones).

The product of its (nonzero) digits is 6174000, while the sum is 53.

The spelling of 5187203705537 in words is "five trillion, one hundred eighty-seven billion, two hundred three million, seven hundred five thousand, five hundred thirty-seven".