51051061016 has 8 divisors (see below), whose sum is σ = 95720739420. Its totient is φ = 25525530504.

The previous prime is 51051061001. The next prime is 51051061037. The reversal of 51051061016 is 61016015015.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190691306 + ... + 3190691321.

Almost surely, 2^51051061016 is an apocalyptic number.

It is an amenable number.

51051061016 is a deficient number, since it is larger than the sum of its proper divisors (44669678404).

51051061016 is a wasteful number, since it uses less digits than its factorization.

51051061016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6381382633 (or 6381382629 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 51051061016 in words is "fifty-one billion, fifty-one million, sixty-one thousand, sixteen".