245555015107 has 2 divisors, whose sum is σ = 245555015108. Its totient is φ = 245555015106.

The previous prime is 245555015093. The next prime is 245555015113. The reversal of 245555015107 is 701510555542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245555015107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245555015107.

It is not a weakly prime, because it can be changed into another prime (245555013107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122777507553 + 122777507554.

It is an arithmetic number, because the mean of its divisors is an integer number (122777507554).

Almost surely, 2^245555015107 is an apocalyptic number.

245555015107 is a deficient number, since it is larger than the sum of its proper divisors (1).

245555015107 is an equidigital number, since it uses as much as digits as its factorization.

245555015107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 175000, while the sum is 40.

The spelling of 245555015107 in words is "two hundred forty-five billion, five hundred fifty-five million, fifteen thousand, one hundred seven".