15161212349 has 2 divisors, whose sum is σ = 15161212350. Its totient is φ = 15161212348.

The previous prime is 15161212333. The next prime is 15161212351. The reversal of 15161212349 is 94321216151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9007908100 + 6153304249 = 94910^2 + 78443^2 .

It is a cyclic number.

It is not a de Polignac number, because 15161212349 - 2⁴ = 15161212333 is a prime.

Together with 15161212351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15161211349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7580606174 + 7580606175.

It is an arithmetic number, because the mean of its divisors is an integer number (7580606175).

Almost surely, 2^15161212349 is an apocalyptic number.

It is an amenable number.

15161212349 is a deficient number, since it is larger than the sum of its proper divisors (1).

15161212349 is an equidigital number, since it uses as much as digits as its factorization.

15161212349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The spelling of 15161212349 in words is "fifteen billion, one hundred sixty-one million, two hundred twelve thousand, three hundred forty-nine".