172498113215959 has 2 divisors, whose sum is σ = 172498113215960. Its totient is φ = 172498113215958.

The previous prime is 172498113215957. The next prime is 172498113216049. The reversal of 172498113215959 is 959512311894271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172498113215959 - 2¹ = 172498113215957 is a prime.

Together with 172498113215957, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 172498113215894 and 172498113215903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172498113215957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86249056607979 + 86249056607980.

It is an arithmetic number, because the mean of its divisors is an integer number (86249056607980).

Almost surely, 2^{172498113215959} is an apocalyptic number.

172498113215959 is a deficient number, since it is larger than the sum of its proper divisors (1).

172498113215959 is an equidigital number, since it uses as much as digits as its factorization.

172498113215959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48988800, while the sum is 67.

The spelling of 172498113215959 in words is "one hundred seventy-two trillion, four hundred ninety-eight billion, one hundred thirteen million, two hundred fifteen thousand, nine hundred fifty-nine".