51352511440747 has 16 divisors (see below), whose sum is σ = 56090832636384. Its totient is φ = 46625845504000.

The previous prime is 51352511440729. The next prime is 51352511440757. The reversal of 51352511440747 is 74704411525315.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51352511440747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51352511440747.

It is not an unprimeable number, because it can be changed into a prime (51352511440757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413747403 + ... + 413871499.

It is an arithmetic number, because the mean of its divisors is an integer number (3505677039774).

Almost surely, 2^{51352511440747} is an apocalyptic number.

51352511440747 is a deficient number, since it is larger than the sum of its proper divisors (4738321195637).

51352511440747 is a wasteful number, since it uses less digits than its factorization.

51352511440747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170750.

The product of its (nonzero) digits is 2352000, while the sum is 49.

The spelling of 51352511440747 in words is "fifty-one trillion, three hundred fifty-two billion, five hundred eleven million, four hundred forty thousand, seven hundred forty-seven".