51119855786 has 16 divisors (see below), whose sum is σ = 79937031168. Its totient is φ = 24490506000.

The previous prime is 51119855783. The next prime is 51119855863. The reversal of 51119855786 is 68755891115.

It is a super-2 number, since 2×51119855786² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51119855783) 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, 4075490 + ... + 4088013.

It is an arithmetic number, because the mean of its divisors is an integer number (4996064448).

Almost surely, 2^51119855786 is an apocalyptic number.

51119855786 is a deficient number, since it is larger than the sum of its proper divisors (28817175382).

51119855786 is a wasteful number, since it uses less digits than its factorization.

51119855786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8163637.

The product of its digits is 3024000, while the sum is 56.

The spelling of 51119855786 in words is "fifty-one billion, one hundred nineteen million, eight hundred fifty-five thousand, seven hundred eighty-six".