1003113155442 has 32 divisors (see below), whose sum is σ = 2122938823680. Its totient is φ = 315328484240.

The previous prime is 1003113155411. The next prime is 1003113155467. The reversal of 1003113155442 is 2445513113001.

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 in 15 ways as a sum of consecutive naturals, for example, 51179892 + ... + 51199487.

It is an arithmetic number, because the mean of its divisors is an integer number (66341838240).

Almost surely, 2^{1003113155442} is an apocalyptic number.

1003113155442 is an abundant number, since it is smaller than the sum of its proper divisors (1119825668238).

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

1003113155442 is a wasteful number, since it uses less digits than its factorization.

1003113155442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102379478.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1003113155442 its reverse (2445513113001), we get a palindrome (3448626268443).

The spelling of 1003113155442 in words is "one trillion, three billion, one hundred thirteen million, one hundred fifty-five thousand, four hundred forty-two".