51111011100106 has 8 divisors (see below), whose sum is σ = 78113054700324. Its totient is φ = 25073326200000.

The previous prime is 51111011100077. The next prime is 51111011100139. The reversal of 51111011100106 is 60100111011115.

It can be written as a sum of positive squares in 2 ways, for example, as 47033604191025 + 4077406909081 = 6858105^2 + 2019259^2 .

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

It is a super-2 number, since 2×51111011100106² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241089674895 + ... + 241089675106.

Almost surely, 2^{51111011100106} is an apocalyptic number.

51111011100106 is a deficient number, since it is larger than the sum of its proper divisors (27002043600218).

51111011100106 is a wasteful number, since it uses less digits than its factorization.

51111011100106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482179350056.

The product of its (nonzero) digits is 30, while the sum is 19.

The spelling of 51111011100106 in words is "fifty-one trillion, one hundred eleven billion, eleven million, one hundred thousand, one hundred six".