201117925807 has 2 divisors, whose sum is σ = 201117925808. Its totient is φ = 201117925806.

The previous prime is 201117925759. The next prime is 201117925817. The reversal of 201117925807 is 708529711102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201117925807 - 2³¹ = 198970442159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201117925817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100558962903 + 100558962904.

It is an arithmetic number, because the mean of its divisors is an integer number (100558962904).

Almost surely, 2^201117925807 is an apocalyptic number.

201117925807 is a deficient number, since it is larger than the sum of its proper divisors (1).

201117925807 is an equidigital number, since it uses as much as digits as its factorization.

201117925807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 43.

The spelling of 201117925807 in words is "two hundred one billion, one hundred seventeen million, nine hundred twenty-five thousand, eight hundred seven".