51106420322988 has 96 divisors (see below), whose sum is σ = 122762471832000. Its totient is φ = 16535651844096.

The previous prime is 51106420322963. The next prime is 51106420322989. The reversal of 51106420322988 is 88922302460115.

51106420322988 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-2 number, since 2×51106420322988² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51106420322988.

It is not an unprimeable number, because it can be changed into a prime (51106420322989) 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 31 ways as a sum of consecutive naturals, for example, 1701887158 + ... + 1701917186.

It is an arithmetic number, because the mean of its divisors is an integer number (1278775748250).

Almost surely, 2^{51106420322988} is an apocalyptic number.

It is an amenable number.

51106420322988 is an abundant number, since it is smaller than the sum of its proper divisors (71656051509012).

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

51106420322988 is a wasteful number, since it uses less digits than its factorization.

51106420322988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39059 (or 39057 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 51106420322988 in words is "fifty-one trillion, one hundred six billion, four hundred twenty million, three hundred twenty-two thousand, nine hundred eighty-eight".