501115665707 has 2 divisors, whose sum is σ = 501115665708. Its totient is φ = 501115665706.

The previous prime is 501115665641. The next prime is 501115665709. The reversal of 501115665707 is 707566511105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 501115665707 - 2⁸ = 501115665451 is a prime.

It is a super-2 number, since 2×501115665707² (a number of 24 digits) contains 22 as substring.

Together with 501115665709, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (501115665709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250557832853 + 250557832854.

It is an arithmetic number, because the mean of its divisors is an integer number (250557832854).

Almost surely, 2^501115665707 is an apocalyptic number.

501115665707 is a deficient number, since it is larger than the sum of its proper divisors (1).

501115665707 is an equidigital number, since it uses as much as digits as its factorization.

501115665707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 220500, while the sum is 44.

The spelling of 501115665707 in words is "five hundred one billion, one hundred fifteen million, six hundred sixty-five thousand, seven hundred seven".