540251013191 has 2 divisors, whose sum is σ = 540251013192. Its totient is φ = 540251013190.

The previous prime is 540251013187. The next prime is 540251013227. The reversal of 540251013191 is 191310152045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540251013191 - 2² = 540251013187 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540251013151) 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, 270125506595 + 270125506596.

It is an arithmetic number, because the mean of its divisors is an integer number (270125506596).

Almost surely, 2^540251013191 is an apocalyptic number.

540251013191 is a deficient number, since it is larger than the sum of its proper divisors (1).

540251013191 is an equidigital number, since it uses as much as digits as its factorization.

540251013191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 540251013191 in words is "five hundred forty billion, two hundred fifty-one million, thirteen thousand, one hundred ninety-one".