503542553061 has 16 divisors (see below), whose sum is σ = 674543413440. Its totient is φ = 334121074560.

The previous prime is 503542553051. The next prime is 503542553081. The reversal of 503542553061 is 160355245305.

It is not a de Polignac number, because 503542553061 - 2¹⁴ = 503542536677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503542553051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406135 + ... + 1082603.

It is an arithmetic number, because the mean of its divisors is an integer number (42158963340).

Almost surely, 2^503542553061 is an apocalyptic number.

It is an amenable number.

503542553061 is a deficient number, since it is larger than the sum of its proper divisors (171000860379).

503542553061 is a wasteful number, since it uses less digits than its factorization.

503542553061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677636.

The product of its (nonzero) digits is 270000, while the sum is 39.

Adding to 503542553061 its reverse (160355245305), we get a palindrome (663897798366).

The spelling of 503542553061 in words is "five hundred three billion, five hundred forty-two million, five hundred fifty-three thousand, sixty-one".