7000555549991 has 2 divisors, whose sum is σ = 7000555549992. Its totient is φ = 7000555549990.

The previous prime is 7000555549979. The next prime is 7000555550039. The reversal of 7000555549991 is 1999455550007.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7000555549991 - 2⁶ = 7000555549927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7000555549991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7000555549891) 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, 3500277774995 + 3500277774996.

It is an arithmetic number, because the mean of its divisors is an integer number (3500277774996).

Almost surely, 2^{7000555549991} is an apocalyptic number.

7000555549991 is a deficient number, since it is larger than the sum of its proper divisors (1).

7000555549991 is an equidigital number, since it uses as much as digits as its factorization.

7000555549991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12757500, while the sum is 59.

The spelling of 7000555549991 in words is "seven trillion, five hundred fifty-five million, five hundred forty-nine thousand, nine hundred ninety-one".