7113630872021 has 2 divisors, whose sum is σ = 7113630872022. Its totient is φ = 7113630872020.

The previous prime is 7113630871973. The next prime is 7113630872053. The reversal of 7113630872021 is 1202780363117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3980978667121 + 3132652204900 = 1995239^2 + 1769930^2 .

It is an emirp because it is prime and its reverse (1202780363117) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7113630872021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7113630872021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7113630872081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3556815436010 + 3556815436011.

It is an arithmetic number, because the mean of its divisors is an integer number (3556815436011).

Almost surely, 2^{7113630872021} is an apocalyptic number.

It is an amenable number.

7113630872021 is a deficient number, since it is larger than the sum of its proper divisors (1).

7113630872021 is an equidigital number, since it uses as much as digits as its factorization.

7113630872021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 7113630872021 in words is "seven trillion, one hundred thirteen billion, six hundred thirty million, eight hundred seventy-two thousand, twenty-one".