15122170149 has 8 divisors (see below), whose sum is σ = 20307950880. Its totient is φ = 10008918096.

The previous prime is 15122170087. The next prime is 15122170163. The reversal of 15122170149 is 94107122151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15122170149 - 2⁸ = 15122169893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15122170199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18131682 + ... + 18132515.

It is an arithmetic number, because the mean of its divisors is an integer number (2538493860).

Almost surely, 2^15122170149 is an apocalyptic number.

It is an amenable number.

15122170149 is a deficient number, since it is larger than the sum of its proper divisors (5185780731).

15122170149 is a wasteful number, since it uses less digits than its factorization.

15122170149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36264339.

The product of its (nonzero) digits is 5040, while the sum is 33.

The spelling of 15122170149 in words is "fifteen billion, one hundred twenty-two million, one hundred seventy thousand, one hundred forty-nine".