7121158843 has 2 divisors, whose sum is σ = 7121158844. Its totient is φ = 7121158842.

The previous prime is 7121158817. The next prime is 7121158853. The reversal of 7121158843 is 3488511217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7121158843 - 2²⁵ = 7087604411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7121158796 and 7121158805.

It is not a weakly prime, because it can be changed into another prime (7121158853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3560579421 + 3560579422.

It is an arithmetic number, because the mean of its divisors is an integer number (3560579422).

Almost surely, 2^7121158843 is an apocalyptic number.

7121158843 is a deficient number, since it is larger than the sum of its proper divisors (1).

7121158843 is an equidigital number, since it uses as much as digits as its factorization.

7121158843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 40.

The square root of 7121158843 is about 84386.9589628635. The cubic root of 7121158843 is about 1923.9047093962.

The spelling of 7121158843 in words is "seven billion, one hundred twenty-one million, one hundred fifty-eight thousand, eight hundred forty-three".