15005540089 has 2 divisors, whose sum is σ = 15005540090. Its totient is φ = 15005540088.

The previous prime is 15005540051. The next prime is 15005540119. The reversal of 15005540089 is 98004550051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14613183225 + 392356864 = 120885^2 + 19808^2 .

It is a cyclic number.

It is not a de Polignac number, because 15005540089 - 2¹³ = 15005531897 is a prime.

It is a super-2 number, since 2×15005540089² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15005540989) 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, 7502770044 + 7502770045.

It is an arithmetic number, because the mean of its divisors is an integer number (7502770045).

Almost surely, 2^15005540089 is an apocalyptic number.

It is an amenable number.

15005540089 is a deficient number, since it is larger than the sum of its proper divisors (1).

15005540089 is an equidigital number, since it uses as much as digits as its factorization.

15005540089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 15005540089 in words is "fifteen billion, five million, five hundred forty thousand, eighty-nine".