51135453116 has 24 divisors (see below), whose sum is σ = 98117789616. Its totient is φ = 23125397120.

The previous prime is 51135453077. The next prime is 51135453119. The reversal of 51135453116 is 61135453115.

It is a super-2 number, since 2×51135453116² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51135453119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2941001 + ... + 2958336.

It is an arithmetic number, because the mean of its divisors is an integer number (4088241234).

Almost surely, 2^51135453116 is an apocalyptic number.

It is an amenable number.

51135453116 is a deficient number, since it is larger than the sum of its proper divisors (46982336500).

51135453116 is a wasteful number, since it uses less digits than its factorization.

51135453116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5899549 (or 5899547 counting only the distinct ones).

The product of its digits is 27000, while the sum is 35.

Subtracting 51135453116 from its reverse (61135453115), we obtain a palindrome (9999999999).

The spelling of 51135453116 in words is "fifty-one billion, one hundred thirty-five million, four hundred fifty-three thousand, one hundred sixteen".