15065128442 has 32 divisors (see below), whose sum is σ = 29448582912. Its totient is φ = 5609251584.

The previous prime is 15065128439. The next prime is 15065128447. The reversal of 15065128442 is 24482156051.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 15065128396 and 15065128405.

It is not an unprimeable number, because it can be changed into a prime (15065128447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2431478 + ... + 2437665.

It is an arithmetic number, because the mean of its divisors is an integer number (920268216).

Almost surely, 2^15065128442 is an apocalyptic number.

15065128442 is a deficient number, since it is larger than the sum of its proper divisors (14383454470).

15065128442 is a wasteful number, since it uses less digits than its factorization.

15065128442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869182.

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 15065128442 in words is "fifteen billion, sixty-five million, one hundred twenty-eight thousand, four hundred forty-two".