15250540323142 has 8 divisors (see below), whose sum is σ = 23664631536000. Its totient is φ = 7362329811144.

The previous prime is 15250540323101. The next prime is 15250540323157. The reversal of 15250540323142 is 24132304505251.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131470175142 + ... + 131470175257.

It is an arithmetic number, because the mean of its divisors is an integer number (2958078942000).

Almost surely, 2^{15250540323142} is an apocalyptic number.

15250540323142 is a deficient number, since it is larger than the sum of its proper divisors (8414091212858).

15250540323142 is a wasteful number, since it uses less digits than its factorization.

15250540323142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262940350430.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 15250540323142 its reverse (24132304505251), we get a palindrome (39382844828393).

The spelling of 15250540323142 in words is "fifteen trillion, two hundred fifty billion, five hundred forty million, three hundred twenty-three thousand, one hundred forty-two".