156297684405097 has 2 divisors, whose sum is σ = 156297684405098. Its totient is φ = 156297684405096.

The previous prime is 156297684405073. The next prime is 156297684405113. The reversal of 156297684405097 is 790504486792651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122958735432976 + 33338948972121 = 11088676^2 + 5773989^2 .

It is a cyclic number.

It is not a de Polignac number, because 156297684405097 - 2³¹ = 156295536921449 is a prime.

It is not a weakly prime, because it can be changed into another prime (156297684405017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78148842202548 + 78148842202549.

It is an arithmetic number, because the mean of its divisors is an integer number (78148842202549).

Almost surely, 2^{156297684405097} is an apocalyptic number.

It is an amenable number.

156297684405097 is a deficient number, since it is larger than the sum of its proper divisors (1).

156297684405097 is an equidigital number, since it uses as much as digits as its factorization.

156297684405097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 914457600, while the sum is 73.

The spelling of 156297684405097 in words is "one hundred fifty-six trillion, two hundred ninety-seven billion, six hundred eighty-four million, four hundred five thousand, ninety-seven".