1535243442001 has 4 divisors (see below), whose sum is σ = 1544436516672. Its totient is φ = 1526050367332.

The previous prime is 1535243441981. The next prime is 1535243442013. The reversal of 1535243442001 is 1002443425351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1535243442001 - 2⁹ = 1535243441489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1535243442071) by changing a digit.

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, 4596537085 + ... + 4596537418.

It is an arithmetic number, because the mean of its divisors is an integer number (386109129168).

Almost surely, 2^{1535243442001} is an apocalyptic number.

It is an amenable number.

1535243442001 is a deficient number, since it is larger than the sum of its proper divisors (9193074671).

1535243442001 is an equidigital number, since it uses as much as digits as its factorization.

1535243442001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193074670.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1535243442001 its reverse (1002443425351), we get a palindrome (2537686867352).

The spelling of 1535243442001 in words is "one trillion, five hundred thirty-five billion, two hundred forty-three million, four hundred forty-two thousand, one".