51111354304 has 14 divisors (see below), whose sum is σ = 101424093824. Its totient is φ = 25555677120.

The previous prime is 51111354271. The next prime is 51111354337. The reversal of 51111354304 is 40345311115.

It is an interprime number because it is at equal distance from previous prime (51111354271) and next prime (51111354337).

It is a super-2 number, since 2×51111354304² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399307392 + ... + 399307519.

Almost surely, 2^51111354304 is an apocalyptic number.

It is an amenable number.

51111354304 is a deficient number, since it is larger than the sum of its proper divisors (50312739520).

51111354304 is an equidigital number, since it uses as much as digits as its factorization.

51111354304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798614923 (or 798614913 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 51111354304 its reverse (40345311115), we get a palindrome (91456665419).

The spelling of 51111354304 in words is "fifty-one billion, one hundred eleven million, three hundred fifty-four thousand, three hundred four".