51064444114521 has 4 divisors (see below), whose sum is σ = 68085925486032. Its totient is φ = 34042962743012.

The previous prime is 51064444114483. The next prime is 51064444114547. The reversal of 51064444114521 is 12541144446015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51064444114521 - 2¹⁵ = 51064444081753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51064444115521) 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, 8510740685751 + ... + 8510740685756.

It is an arithmetic number, because the mean of its divisors is an integer number (17021481371508).

Almost surely, 2^{51064444114521} is an apocalyptic number.

It is an amenable number.

51064444114521 is a deficient number, since it is larger than the sum of its proper divisors (17021481371511).

51064444114521 is a wasteful number, since it uses less digits than its factorization.

51064444114521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17021481371510.

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 51064444114521 in words is "fifty-one trillion, sixty-four billion, four hundred forty-four million, one hundred fourteen thousand, five hundred twenty-one".