51035166557147 has 4 divisors (see below), whose sum is σ = 51035448481056. Its totient is φ = 51034884633240.

The previous prime is 51035166557131. The next prime is 51035166557149. The reversal of 51035166557147 is 74175566153015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51035166557147 - 2⁴ = 51035166557131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51035166557092 and 51035166557101.

It is not an unprimeable number, because it can be changed into a prime (51035166557149) 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, 140690243 + ... + 141052524.

It is an arithmetic number, because the mean of its divisors is an integer number (12758862120264).

Almost surely, 2^{51035166557147} is an apocalyptic number.

51035166557147 is a deficient number, since it is larger than the sum of its proper divisors (281923909).

51035166557147 is a wasteful number, since it uses less digits than its factorization.

51035166557147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281923908.

The product of its (nonzero) digits is 13230000, while the sum is 56.

The spelling of 51035166557147 in words is "fifty-one trillion, thirty-five billion, one hundred sixty-six million, five hundred fifty-seven thousand, one hundred forty-seven".