15138805152 has 48 divisors (see below), whose sum is σ = 40813409952. Its totient is φ = 4909881600.

The previous prime is 15138805141. The next prime is 15138805153. The reversal of 15138805152 is 25150883151.

It is a happy number.

15138805152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 15138805152.

It is not an unprimeable number, because it can be changed into a prime (15138805153) 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 7 ways as a sum of consecutive naturals, for example, 2127474 + ... + 2134577.

It is an arithmetic number, because the mean of its divisors is an integer number (850279374).

Almost surely, 2^15138805152 is an apocalyptic number.

15138805152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15138805152 is an abundant number, since it is smaller than the sum of its proper divisors (25674604800).

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

15138805152 is a wasteful number, since it uses less digits than its factorization.

15138805152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262101 (or 4262093 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 39.

The spelling of 15138805152 in words is "fifteen billion, one hundred thirty-eight million, eight hundred five thousand, one hundred fifty-two".