503436641121 has 16 divisors (see below), whose sum is σ = 751197764800. Its totient is φ = 333209860704.

The previous prime is 503436641117. The next prime is 503436641153. The reversal of 503436641121 is 121146634305.

503436641121 is a `hidden beast` number, since 5 + 0 + 3 + 4 + 3 + 6 + 641 + 1 + 2 + 1 = 666.

It is not a de Polignac number, because 503436641121 - 2² = 503436641117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503436641101) by changing a digit.

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, 67067476 + ... + 67074981.

It is an arithmetic number, because the mean of its divisors is an integer number (46949860300).

Almost surely, 2^503436641121 is an apocalyptic number.

It is an amenable number.

503436641121 is a deficient number, since it is larger than the sum of its proper divisors (247761123679).

503436641121 is a wasteful number, since it uses less digits than its factorization.

503436641121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134142605 (or 134142599 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 503436641121 in words is "five hundred three billion, four hundred thirty-six million, six hundred forty-one thousand, one hundred twenty-one".