51179552187 has 8 divisors (see below), whose sum is σ = 68286567936. Its totient is φ = 34096118952.

The previous prime is 51179552077. The next prime is 51179552209. The reversal of 51179552187 is 78125597115.

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

It is not a de Polignac number, because 51179552187 - 2⁸ = 51179551931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51179556187) 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, 5890563 + ... + 5899244.

It is an arithmetic number, because the mean of its divisors is an integer number (8535820992).

Almost surely, 2^51179552187 is an apocalyptic number.

51179552187 is a deficient number, since it is larger than the sum of its proper divisors (17107015749).

51179552187 is a wasteful number, since it uses less digits than its factorization.

51179552187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11791257.

The product of its digits is 882000, while the sum is 51.

The spelling of 51179552187 in words is "fifty-one billion, one hundred seventy-nine million, five hundred fifty-two thousand, one hundred eighty-seven".