15255120105 has 96 divisors (see below), whose sum is σ = 27469728000. Its totient is φ = 7826886144.

The previous prime is 15255120073. The next prime is 15255120107. The reversal of 15255120105 is 50102155251.

15255120105 is a `hidden beast` number, since 1 + 5 + 2 + 551 + 2 + 0 + 105 = 666.

15255120105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15255120105 - 2⁵ = 15255120073 is a prime.

It is a super-2 number, since 2×15255120105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15255120107) 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 95 ways as a sum of consecutive naturals, for example, 66616131 + ... + 66616359.

It is an arithmetic number, because the mean of its divisors is an integer number (286143000).

Almost surely, 2^15255120105 is an apocalyptic number.

15255120105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15255120105 is a deficient number, since it is larger than the sum of its proper divisors (12214607895).

15255120105 is a wasteful number, since it uses less digits than its factorization.

15255120105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

Adding to 15255120105 its reverse (50102155251), we get a palindrome (65357275356).

The spelling of 15255120105 in words is "fifteen billion, two hundred fifty-five million, one hundred twenty thousand, one hundred five".