540502322551 has 2 divisors, whose sum is σ = 540502322552. Its totient is φ = 540502322550.

The previous prime is 540502322543. The next prime is 540502322587. The reversal of 540502322551 is 155223205045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540502322551 - 2³ = 540502322543 is a prime.

It is a super-3 number, since 3×540502322551³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540502322051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270251161275 + 270251161276.

It is an arithmetic number, because the mean of its divisors is an integer number (270251161276).

Almost surely, 2^540502322551 is an apocalyptic number.

540502322551 is a deficient number, since it is larger than the sum of its proper divisors (1).

540502322551 is an equidigital number, since it uses as much as digits as its factorization.

540502322551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 540502322551 its reverse (155223205045), we get a palindrome (695725527596).

The spelling of 540502322551 in words is "five hundred forty billion, five hundred two million, three hundred twenty-two thousand, five hundred fifty-one".