113198691953 has 2 divisors, whose sum is σ = 113198691954. Its totient is φ = 113198691952.

The previous prime is 113198691887. The next prime is 113198691973. The reversal of 113198691953 is 359196891311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87549708544 + 25648983409 = 295888^2 + 160153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113198691953 is a prime.

It is not a weakly prime, because it can be changed into another prime (113198691973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56599345976 + 56599345977.

It is an arithmetic number, because the mean of its divisors is an integer number (56599345977).

Almost surely, 2^113198691953 is an apocalyptic number.

It is an amenable number.

113198691953 is a deficient number, since it is larger than the sum of its proper divisors (1).

113198691953 is an equidigital number, since it uses as much as digits as its factorization.

113198691953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 56.

The spelling of 113198691953 in words is "one hundred thirteen billion, one hundred ninety-eight million, six hundred ninety-one thousand, nine hundred fifty-three".