537198111851 has 2 divisors, whose sum is σ = 537198111852. Its totient is φ = 537198111850.

The previous prime is 537198111841. The next prime is 537198111859. The reversal of 537198111851 is 158111891735.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 537198111851 - 2⁶ = 537198111787 is a prime.

It is a super-2 number, since 2×537198111851² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 537198111851.

It is not a weakly prime, because it can be changed into another prime (537198111859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268599055925 + 268599055926.

It is an arithmetic number, because the mean of its divisors is an integer number (268599055926).

Almost surely, 2^537198111851 is an apocalyptic number.

537198111851 is a deficient number, since it is larger than the sum of its proper divisors (1).

537198111851 is an equidigital number, since it uses as much as digits as its factorization.

537198111851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 50.

The spelling of 537198111851 in words is "five hundred thirty-seven billion, one hundred ninety-eight million, one hundred eleven thousand, eight hundred fifty-one".