51009537313227 has 8 divisors (see below), whose sum is σ = 68531897459520. Its totient is φ = 33746767687880.

The previous prime is 51009537313213. The next prime is 51009537313253. The reversal of 51009537313227 is 72231373590015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51009537313227 - 2⁸ = 51009537312971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51009537313297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64897629777 + ... + 64897630562.

It is an arithmetic number, because the mean of its divisors is an integer number (8566487182440).

Almost surely, 2^{51009537313227} is an apocalyptic number.

51009537313227 is a deficient number, since it is larger than the sum of its proper divisors (17522360146293).

51009537313227 is a wasteful number, since it uses less digits than its factorization.

51009537313227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129795260473.

The product of its (nonzero) digits is 1190700, while the sum is 48.

The spelling of 51009537313227 in words is "fifty-one trillion, nine billion, five hundred thirty-seven million, three hundred thirteen thousand, two hundred twenty-seven".