51061050108 has 48 divisors (see below), whose sum is σ = 132401472000. Its totient is φ = 17017653744.

The previous prime is 51061050101. The next prime is 51061050121. The reversal of 51061050108 is 80105016015.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51061050101) 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 15 ways as a sum of consecutive naturals, for example, 717603 + ... + 785541.

It is an arithmetic number, because the mean of its divisors is an integer number (2758364000).

Almost surely, 2^51061050108 is an apocalyptic number.

It is an amenable number.

51061050108 is an abundant number, since it is smaller than the sum of its proper divisors (81340421892).

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

51061050108 is a wasteful number, since it uses less digits than its factorization.

51061050108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74911 (or 74903 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The spelling of 51061050108 in words is "fifty-one billion, sixty-one million, fifty thousand, one hundred eight".