545053213021131 has 24 divisors (see below), whose sum is σ = 814473920329680. Its totient is φ = 350827395379776.

The previous prime is 545053213021111. The next prime is 545053213021139. The reversal of 545053213021131 is 131120312350545.

It is a happy number.

545053213021131 is a `hidden beast` number, since 5 + 4 + 5 + 0 + 532 + 1 + 3 + 0 + 2 + 113 + 1 = 666.

It is not a de Polignac number, because 545053213021131 - 2⁷ = 545053213021003 is a prime.

It is a super-2 number, since 2×545053213021131² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545053213021139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26077276 + ... + 42072921.

It is an arithmetic number, because the mean of its divisors is an integer number (33936413347070).

Almost surely, 2^{545053213021131} is an apocalyptic number.

545053213021131 is a deficient number, since it is larger than the sum of its proper divisors (269420707308549).

545053213021131 is a wasteful number, since it uses less digits than its factorization.

545053213021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68180875 (or 68180872 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 545053213021131 its reverse (131120312350545), we get a palindrome (676173525371676).

The spelling of 545053213021131 in words is "five hundred forty-five trillion, fifty-three billion, two hundred thirteen million, twenty-one thousand, one hundred thirty-one".