51160225771 has 4 divisors (see below), whose sum is σ = 51162074712. Its totient is φ = 51158376832.

The previous prime is 51160225769. The next prime is 51160225801. The reversal of 51160225771 is 17752206115.

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 51160225771 - 2¹ = 51160225769 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 51160225771.

It is not an unprimeable number, because it can be changed into a prime (51160225471) 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, 882325 + ... + 938518.

It is an arithmetic number, because the mean of its divisors is an integer number (12790518678).

Almost surely, 2^51160225771 is an apocalyptic number.

51160225771 is a deficient number, since it is larger than the sum of its proper divisors (1848941).

51160225771 is a wasteful number, since it uses less digits than its factorization.

51160225771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848940.

The product of its (nonzero) digits is 29400, while the sum is 37.

The spelling of 51160225771 in words is "fifty-one billion, one hundred sixty million, two hundred twenty-five thousand, seven hundred seventy-one".