15051000109 has 2 divisors, whose sum is σ = 15051000110. Its totient is φ = 15051000108.

The previous prime is 15051000101. The next prime is 15051000149. The reversal of 15051000109 is 90100015051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14876680900 + 174319209 = 121970^2 + 13203^2 .

It is an emirp because it is prime and its reverse (90100015051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15051000109 - 2³ = 15051000101 is a prime.

It is a super-2 number, since 2×15051000109² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15051000109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15051000101) 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 as a sum of consecutive naturals, namely, 7525500054 + 7525500055.

It is an arithmetic number, because the mean of its divisors is an integer number (7525500055).

Almost surely, 2^15051000109 is an apocalyptic number.

It is an amenable number.

15051000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

15051000109 is an equidigital number, since it uses as much as digits as its factorization.

15051000109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 22.

The spelling of 15051000109 in words is "fifteen billion, fifty-one million, one hundred nine", and thus it is an aban number.