15075665089 has 9 divisors (see below), whose sum is σ = 15176399907. Its totient is φ = 14975596944.

The previous prime is 15075665041. The next prime is 15075665131. The reversal of 15075665089 is 98056657051.

The square root of 15075665089 is 122783.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 436601025 + 14639064064 = 20895^2 + 120992^2 .

It is not a de Polignac number, because 15075665089 - 2¹⁵ = 15075632321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15075665009) 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 8 ways as a sum of consecutive naturals, for example, 24433509 + ... + 24434125.

Almost surely, 2^15075665089 is an apocalyptic number.

15075665089 is the 122783-rd square number.

15075665089 is the 61392-nd centered octagonal number.

It is an amenable number.

15075665089 is a deficient number, since it is larger than the sum of its proper divisors (100734818).

15075665089 is an frugal number, since it uses more digits than its factorization.

15075665089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 52.

The spelling of 15075665089 in words is "fifteen billion, seventy-five million, six hundred sixty-five thousand, eighty-nine".