15151502138 has 8 divisors (see below), whose sum is σ = 22770877140. Its totient is φ = 7561209760.

The previous prime is 15151502129. The next prime is 15151502159. The reversal of 15151502138 is 83120515151.

15151502138 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 2 ways, for example, as 14517117169 + 634384969 = 120487^2 + 25187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 7269353 + ... + 7271436.

Almost surely, 2^15151502138 is an apocalyptic number.

15151502138 is a deficient number, since it is larger than the sum of its proper divisors (7619375002).

15151502138 is a wasteful number, since it uses less digits than its factorization.

15151502138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14541312.

The product of its (nonzero) digits is 6000, while the sum is 32.

The spelling of 15151502138 in words is "fifteen billion, one hundred fifty-one million, five hundred two thousand, one hundred thirty-eight".