15010381344138 has 16 divisors (see below), whose sum is σ = 30832134653280. Its totient is φ = 4868231787216.

The previous prime is 15010381344137. The next prime is 15010381344181. The reversal of 15010381344138 is 83144318301051.

15010381344138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15010381344138² (a number of 27 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 15010381344138.

It is not an unprimeable number, because it can be changed into a prime (15010381344137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33807164968 + ... + 33807165411.

It is an arithmetic number, because the mean of its divisors is an integer number (1927008415830).

Almost surely, 2^{15010381344138} is an apocalyptic number.

15010381344138 is an abundant number, since it is smaller than the sum of its proper divisors (15821753309142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15010381344138 is a wasteful number, since it uses less digits than its factorization.

15010381344138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67614330421.

The product of its (nonzero) digits is 138240, while the sum is 42.

Adding to 15010381344138 its reverse (83144318301051), we get a palindrome (98154699645189).

The spelling of 15010381344138 in words is "fifteen trillion, ten billion, three hundred eighty-one million, three hundred forty-four thousand, one hundred thirty-eight".