8113961350507 has 2 divisors, whose sum is σ = 8113961350508. Its totient is φ = 8113961350506.

The previous prime is 8113961350493. The next prime is 8113961350519. The reversal of 8113961350507 is 7050531693118.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8113961350507 is a prime.

It is not a weakly prime, because it can be changed into another prime (8113961350577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4056980675253 + 4056980675254.

It is an arithmetic number, because the mean of its divisors is an integer number (4056980675254).

Almost surely, 2^{8113961350507} is an apocalyptic number.

8113961350507 is a deficient number, since it is larger than the sum of its proper divisors (1).

8113961350507 is an equidigital number, since it uses as much as digits as its factorization.

8113961350507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 8113961350507 in words is "eight trillion, one hundred thirteen billion, nine hundred sixty-one million, three hundred fifty thousand, five hundred seven".