540661352051 has 2 divisors, whose sum is σ = 540661352052. Its totient is φ = 540661352050.

The previous prime is 540661352047. The next prime is 540661352059. The reversal of 540661352051 is 150253166045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540661352051 - 2² = 540661352047 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 540661351996 and 540661352014.

It is not a weakly prime, because it can be changed into another prime (540661352059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270330676025 + 270330676026.

It is an arithmetic number, because the mean of its divisors is an integer number (270330676026).

Almost surely, 2^540661352051 is an apocalyptic number.

540661352051 is a deficient number, since it is larger than the sum of its proper divisors (1).

540661352051 is an equidigital number, since it uses as much as digits as its factorization.

540661352051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 540661352051 in words is "five hundred forty billion, six hundred sixty-one million, three hundred fifty-two thousand, fifty-one".