51155544116 has 24 divisors (see below), whose sum is σ = 93536076480. Its totient is φ = 24433846272.

The previous prime is 51155544073. The next prime is 51155544119. The reversal of 51155544116 is 61144555115.

51155544116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×51155544116⁴ (a number of 44 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51155544116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51155544119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290786 + ... + 432281.

It is an arithmetic number, because the mean of its divisors is an integer number (3897336520).

Almost surely, 2^51155544116 is an apocalyptic number.

It is an amenable number.

51155544116 is a deficient number, since it is larger than the sum of its proper divisors (42380532364).

51155544116 is a wasteful number, since it uses less digits than its factorization.

51155544116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723863 (or 723861 counting only the distinct ones).

The product of its digits is 60000, while the sum is 38.

The spelling of 51155544116 in words is "fifty-one billion, one hundred fifty-five million, five hundred forty-four thousand, one hundred sixteen".