15151665105 has 24 divisors (see below), whose sum is σ = 26268870888. Its totient is φ = 8079046656.

The previous prime is 15151665077. The next prime is 15151665107. The reversal of 15151665105 is 50156615151.

It is a happy number.

15151665105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2035002321 + 13116662784 = 45111^2 + 114528^2 .

It is not a de Polignac number, because 15151665105 - 2⁸ = 15151664849 is a prime.

It is a super-2 number, since 2×15151665105² (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 15151665105.

It is not an unprimeable number, because it can be changed into a prime (15151665107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174259 + ... + 246311.

It is an arithmetic number, because the mean of its divisors is an integer number (1094536287).

Almost surely, 2^15151665105 is an apocalyptic number.

15151665105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15151665105 is a deficient number, since it is larger than the sum of its proper divisors (11117205783).

15151665105 is a wasteful number, since it uses less digits than its factorization.

15151665105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76737 (or 76734 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 15151665105 in words is "fifteen billion, one hundred fifty-one million, six hundred sixty-five thousand, one hundred five".