51051000110618 has 4 divisors (see below), whose sum is σ = 76576500165930. Its totient is φ = 25525500055308.

The previous prime is 51051000110609. The next prime is 51051000110629. The reversal of 51051000110618 is 81601100015015.

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

It can be written as a sum of positive squares in only one way, i.e., 48483689298529 + 2567310812089 = 6963023^2 + 1602283^2 .

It is a super-2 number, since 2×51051000110618² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12762750027653 + ... + 12762750027656.

Almost surely, 2^{51051000110618} is an apocalyptic number.

51051000110618 is a deficient number, since it is larger than the sum of its proper divisors (25525500055312).

51051000110618 is a wasteful number, since it uses less digits than its factorization.

51051000110618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25525500055311.

The product of its (nonzero) digits is 1200, while the sum is 29.

The spelling of 51051000110618 in words is "fifty-one trillion, fifty-one billion, one hundred ten thousand, six hundred eighteen".