51112036356 has 48 divisors (see below), whose sum is σ = 124209912960. Its totient is φ = 16343389440.

The previous prime is 51112036351. The next prime is 51112036369. The reversal of 51112036356 is 65363021115.

It is a super-2 number, since 2×51112036356² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51112036351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779161 + ... + 842208.

It is an arithmetic number, because the mean of its divisors is an integer number (2587706520).

Almost surely, 2^51112036356 is an apocalyptic number.

It is an amenable number.

51112036356 is an abundant number, since it is smaller than the sum of its proper divisors (73097876604).

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

51112036356 is a wasteful number, since it uses less digits than its factorization.

51112036356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621484 (or 1621482 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 51112036356 in words is "fifty-one billion, one hundred twelve million, thirty-six thousand, three hundred fifty-six".