51103335304 has 32 divisors (see below), whose sum is σ = 113283259200. Its totient is φ = 21146207040.

The previous prime is 51103335287. The next prime is 51103335341. The reversal of 51103335304 is 40353330115.

It is a super-2 number, since 2×51103335304² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 15732162 + ... + 15735409.

It is an arithmetic number, because the mean of its divisors is an integer number (3540101850).

Almost surely, 2^51103335304 is an apocalyptic number.

It is an amenable number.

51103335304 is an abundant number, since it is smaller than the sum of its proper divisors (62179923896).

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

51103335304 is a wasteful number, since it uses less digits than its factorization.

51103335304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31467613 (or 31467609 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 51103335304 its reverse (40353330115), we get a palindrome (91456665419).

The spelling of 51103335304 in words is "fifty-one billion, one hundred three million, three hundred thirty-five thousand, three hundred four".