1531162406242 has 8 divisors (see below), whose sum is σ = 2624849839296. Its totient is φ = 656212459812.

The previous prime is 1531162406153. The next prime is 1531162406251. The reversal of 1531162406242 is 2426042611351.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54684371638 + ... + 54684371665.

It is an arithmetic number, because the mean of its divisors is an integer number (328106229912).

Almost surely, 2^{1531162406242} is an apocalyptic number.

1531162406242 is a deficient number, since it is larger than the sum of its proper divisors (1093687433054).

1531162406242 is a wasteful number, since it uses less digits than its factorization.

1531162406242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109368743312.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 1531162406242 in words is "one trillion, five hundred thirty-one billion, one hundred sixty-two million, four hundred six thousand, two hundred forty-two".