51100601111 has 8 divisors (see below), whose sum is σ = 58402759584. Its totient is φ = 43798960800.

The previous prime is 51100601107. The next prime is 51100601129. The reversal of 51100601111 is 11110600115.

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

It is not a de Polignac number, because 51100601111 - 2² = 51100601107 is a prime.

It is a super-2 number, since 2×51100601111² (a number of 22 digits) contains 22 as substring.

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 51100601111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51100601131) 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, 111761 + ... + 338661.

It is an arithmetic number, because the mean of its divisors is an integer number (7300344948).

Almost surely, 2^51100601111 is an apocalyptic number.

51100601111 is a deficient number, since it is larger than the sum of its proper divisors (7302158473).

51100601111 is a wasteful number, since it uses less digits than its factorization.

51100601111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259081.

The product of its (nonzero) digits is 30, while the sum is 17.

The spelling of 51100601111 in words is "fifty-one billion, one hundred million, six hundred one thousand, one hundred eleven".