15005231042 has 4 divisors (see below), whose sum is σ = 22507846566. Its totient is φ = 7502615520.

The previous prime is 15005231039. The next prime is 15005231053. The reversal of 15005231042 is 24013250051.

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

It can be written as a sum of positive squares in only one way, i.e., 11911757881 + 3093473161 = 109141^2 + 55619^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15005230999 and 15005231017.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3751307759 + ... + 3751307762.

Almost surely, 2^15005231042 is an apocalyptic number.

15005231042 is a deficient number, since it is larger than the sum of its proper divisors (7502615524).

15005231042 is an equidigital number, since it uses as much as digits as its factorization.

15005231042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502615523.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 15005231042 its reverse (24013250051), we get a palindrome (39018481093).

The spelling of 15005231042 in words is "fifteen billion, five million, two hundred thirty-one thousand, forty-two".