15670200202157 has 2 divisors, whose sum is σ = 15670200202158. Its totient is φ = 15670200202156.

The previous prime is 15670200202147. The next prime is 15670200202183. The reversal of 15670200202157 is 75120200207651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11812515320356 + 3857684881801 = 3436934^2 + 1964099^2 .

It is an emirp because it is prime and its reverse (75120200207651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15670200202157 - 2¹² = 15670200198061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15670200202157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15670200202147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7835100101078 + 7835100101079.

It is an arithmetic number, because the mean of its divisors is an integer number (7835100101079).

Almost surely, 2^{15670200202157} is an apocalyptic number.

It is an amenable number.

15670200202157 is a deficient number, since it is larger than the sum of its proper divisors (1).

15670200202157 is an equidigital number, since it uses as much as digits as its factorization.

15670200202157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 15670200202157 in words is "fifteen trillion, six hundred seventy billion, two hundred million, two hundred two thousand, one hundred fifty-seven".