1532543512242 has 16 divisors (see below), whose sum is σ = 3068094972960. Its totient is φ = 510346512672.

The previous prime is 1532543512211. The next prime is 1532543512399. The reversal of 1532543512242 is 2422153452351.

It is a self number, because there is not a number n which added to its sum of digits gives 1532543512242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125324563 + ... + 125336790.

It is an arithmetic number, because the mean of its divisors is an integer number (191755935810).

Almost surely, 2^{1532543512242} is an apocalyptic number.

1532543512242 is an abundant number, since it is smaller than the sum of its proper divisors (1535551460718).

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

1532543512242 is a wasteful number, since it uses less digits than its factorization.

1532543512242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250662377.

The product of its digits is 288000, while the sum is 39.

Adding to 1532543512242 its reverse (2422153452351), we get a palindrome (3954696964593).

The spelling of 1532543512242 in words is "one trillion, five hundred thirty-two billion, five hundred forty-three million, five hundred twelve thousand, two hundred forty-two".