503553111152 has 120 divisors (see below), whose sum is σ = 1223920976544. Its totient is φ = 196478410752.

The previous prime is 503553111151. The next prime is 503553111161. The reversal of 503553111152 is 251111355305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503553111151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1199528 + ... + 1563960.

Almost surely, 2^503553111152 is an apocalyptic number.

503553111152 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503553111152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611960488272).

503553111152 is an abundant number, since it is smaller than the sum of its proper divisors (720367865392).

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

503553111152 is a wasteful number, since it uses less digits than its factorization.

503553111152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364547 (or 364528 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 32.

Adding to 503553111152 its reverse (251111355305), we get a palindrome (754664466457).

The spelling of 503553111152 in words is "five hundred three billion, five hundred fifty-three million, one hundred eleven thousand, one hundred fifty-two".