51526608188872 has 16 divisors (see below), whose sum is σ = 98968790119500. Its totient is φ = 25134930823680.

The previous prime is 51526608188771. The next prime is 51526608188899. The reversal of 51526608188872 is 27888180662515.

It can be written as a sum of positive squares in 2 ways, for example, as 35035910544996 + 16490697643876 = 5919114^2 + 4060874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51526608188798 and 51526608188807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78546658497 + ... + 78546659152.

Almost surely, 2^{51526608188872} is an apocalyptic number.

It is an amenable number.

51526608188872 is a deficient number, since it is larger than the sum of its proper divisors (47442181930628).

51526608188872 is a wasteful number, since it uses less digits than its factorization.

51526608188872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157093317696 (or 157093317692 counting only the distinct ones).

The product of its (nonzero) digits is 103219200, while the sum is 67.

The spelling of 51526608188872 in words is "fifty-one trillion, five hundred twenty-six billion, six hundred eight million, one hundred eighty-eight thousand, eight hundred seventy-two".