537818018378851 has 12 divisors (see below), whose sum is σ = 628381099253448. Its totient is φ = 458956093710912.

The previous prime is 537818018378843. The next prime is 537818018378897. The reversal of 537818018378851 is 158873810818735.

It is not a de Polignac number, because 537818018378851 - 2³ = 537818018378843 is a prime.

It is a super-2 number, since 2×537818018378851² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537818018378351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24175931446 + ... + 24175953691.

It is an arithmetic number, because the mean of its divisors is an integer number (52365091604454).

Almost surely, 2^{537818018378851} is an apocalyptic number.

537818018378851 is a deficient number, since it is larger than the sum of its proper divisors (90563080874597).

537818018378851 is a wasteful number, since it uses less digits than its factorization.

537818018378851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48351885378 (or 48351885371 counting only the distinct ones).

The product of its (nonzero) digits is 361267200, while the sum is 73.

The spelling of 537818018378851 in words is "five hundred thirty-seven trillion, eight hundred eighteen billion, eighteen million, three hundred seventy-eight thousand, eight hundred fifty-one".