503111000442 has 16 divisors (see below), whose sum is σ = 1006228950912. Its totient is φ = 167702508480.

The previous prime is 503111000411. The next prime is 503111000467. The reversal of 503111000442 is 244000111305.

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, 1575442 + ... + 1867682.

It is an arithmetic number, because the mean of its divisors is an integer number (62889309432).

Almost surely, 2^503111000442 is an apocalyptic number.

503111000442 is an abundant number, since it is smaller than the sum of its proper divisors (503117950470).

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

503111000442 is a wasteful number, since it uses less digits than its factorization.

503111000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579173.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 503111000442 its reverse (244000111305), we get a palindrome (747111111747).

The spelling of 503111000442 in words is "five hundred three billion, one hundred eleven million, four hundred forty-two", and thus it is an aban number.