51521051005672 has 16 divisors (see below), whose sum is σ = 96605453082240. Its totient is φ = 25759596850416.

The previous prime is 51521051005609. The next prime is 51521051005673. The reversal of 51521051005672 is 27650015012515.

It is not an unprimeable number, because it can be changed into a prime (51521051005673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115845738 + ... + 116289625.

It is an arithmetic number, because the mean of its divisors is an integer number (6037840817640).

Almost surely, 2^{51521051005672} is an apocalyptic number.

It is an amenable number.

51521051005672 is a deficient number, since it is larger than the sum of its proper divisors (45084402076568).

51521051005672 is a wasteful number, since it uses less digits than its factorization.

51521051005672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232163112 (or 232163108 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 40.

The spelling of 51521051005672 in words is "fifty-one trillion, five hundred twenty-one billion, fifty-one million, five thousand, six hundred seventy-two".