51727480125072 has 40 divisors (see below), whose sum is σ = 134183802207840. Its totient is φ = 17170947755520.

The previous prime is 51727480125059. The next prime is 51727480125091. The reversal of 51727480125072 is 27052108472715.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2235788922 + ... + 2235812057.

It is an arithmetic number, because the mean of its divisors is an integer number (3354595055196).

Almost surely, 2^{51727480125072} is an apocalyptic number.

It is an amenable number.

51727480125072 is an abundant number, since it is smaller than the sum of its proper divisors (82456322082768).

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

51727480125072 is a wasteful number, since it uses less digits than its factorization.

51727480125072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471601231 (or 4471601225 counting only the distinct ones).

The product of its (nonzero) digits is 2195200, while the sum is 51.

Adding to 51727480125072 its reverse (27052108472715), we get a palindrome (78779588597787).

The spelling of 51727480125072 in words is "fifty-one trillion, seven hundred twenty-seven billion, four hundred eighty million, one hundred twenty-five thousand, seventy-two".