540055511239831 has 2 divisors, whose sum is σ = 540055511239832. Its totient is φ = 540055511239830.

The previous prime is 540055511239819. The next prime is 540055511239843. The reversal of 540055511239831 is 138932115550045.

It is a balanced prime because it is at equal distance from previous prime (540055511239819) and next prime (540055511239843).

It is a cyclic number.

It is not a de Polignac number, because 540055511239831 - 2⁵ = 540055511239799 is a prime.

It is a super-2 number, since 2×540055511239831² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540055511239861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270027755619915 + 270027755619916.

It is an arithmetic number, because the mean of its divisors is an integer number (270027755619916).

Almost surely, 2^{540055511239831} is an apocalyptic number.

540055511239831 is a deficient number, since it is larger than the sum of its proper divisors (1).

540055511239831 is an equidigital number, since it uses as much as digits as its factorization.

540055511239831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240000, while the sum is 52.

Adding to 540055511239831 its reverse (138932115550045), we get a palindrome (678987626789876).

The spelling of 540055511239831 in words is "five hundred forty trillion, fifty-five billion, five hundred eleven million, two hundred thirty-nine thousand, eight hundred thirty-one".