15227315109 has 12 divisors (see below), whose sum is σ = 22589470956. Its totient is φ = 9877177152.

The previous prime is 15227315087. The next prime is 15227315167. The reversal of 15227315109 is 90151372251.

15227315109 is a `hidden beast` number, since 15 + 227 + 315 + 109 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14234876100 + 992439009 = 119310^2 + 31503^2 .

It is not a de Polignac number, because 15227315109 - 2⁷ = 15227314981 is a prime.

It is a super-2 number, since 2×15227315109² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15227317109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22863504 + ... + 22864169.

It is an arithmetic number, because the mean of its divisors is an integer number (1882455913).

Almost surely, 2^15227315109 is an apocalyptic number.

It is an amenable number.

15227315109 is a deficient number, since it is larger than the sum of its proper divisors (7362155847).

15227315109 is a wasteful number, since it uses less digits than its factorization.

15227315109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45727716 (or 45727713 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The spelling of 15227315109 in words is "fifteen billion, two hundred twenty-seven million, three hundred fifteen thousand, one hundred nine".