15106138055 has 4 divisors (see below), whose sum is σ = 18127365672. Its totient is φ = 12084910440.

The previous prime is 15106138051. The next prime is 15106138057. The reversal of 15106138055 is 55083160151.

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

It is not a de Polignac number, because 15106138055 - 2² = 15106138051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15106138051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510613801 + ... + 1510613810.

It is an arithmetic number, because the mean of its divisors is an integer number (4531841418).

Almost surely, 2^15106138055 is an apocalyptic number.

15106138055 is a deficient number, since it is larger than the sum of its proper divisors (3021227617).

15106138055 is an equidigital number, since it uses as much as digits as its factorization.

15106138055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021227616.

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 15106138055 in words is "fifteen billion, one hundred six million, one hundred thirty-eight thousand, fifty-five".