15005142101 has 4 divisors (see below), whose sum is σ = 15041829900. Its totient is φ = 14968454304.

The previous prime is 15005142091. The next prime is 15005142127. The reversal of 15005142101 is 10124150051.

15005142101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12039795076 + 2965347025 = 109726^2 + 54455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15005142101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15005142001) 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 3 ways as a sum of consecutive naturals, for example, 18343286 + ... + 18344103.

It is an arithmetic number, because the mean of its divisors is an integer number (3760457475).

Almost surely, 2^15005142101 is an apocalyptic number.

It is an amenable number.

15005142101 is a deficient number, since it is larger than the sum of its proper divisors (36687799).

15005142101 is an equidigital number, since it uses as much as digits as its factorization.

15005142101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36687798.

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 15005142101 its reverse (10124150051), we get a palindrome (25129292152).

The spelling of 15005142101 in words is "fifteen billion, five million, one hundred forty-two thousand, one hundred one".