510120640091 has 2 divisors, whose sum is σ = 510120640092. Its totient is φ = 510120640090.

The previous prime is 510120640069. The next prime is 510120640111. The reversal of 510120640091 is 190046021015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 510120640091 - 2¹⁸ = 510120377947 is a prime.

It is not a weakly prime, because it can be changed into another prime (510120642091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255060320045 + 255060320046.

It is an arithmetic number, because the mean of its divisors is an integer number (255060320046).

Almost surely, 2^510120640091 is an apocalyptic number.

510120640091 is a deficient number, since it is larger than the sum of its proper divisors (1).

510120640091 is an equidigital number, since it uses as much as digits as its factorization.

510120640091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 510120640091 in words is "five hundred ten billion, one hundred twenty million, six hundred forty thousand, ninety-one".