51101060111100 has 108 divisors (see below), whose sum is σ = 162888238105320. Its totient is φ = 13395984105600.

The previous prime is 51101060111063. The next prime is 51101060111131. The reversal of 51101060111100 is 111106010115.

It is a happy number.

51101060111100 is a `hidden beast` number, since 51 + 1 + 0 + 1 + 0 + 601 + 1 + 1 + 10 + 0 = 666.

It is a super-2 number, since 2×51101060111100² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 481124491 + ... + 481230690.

Almost surely, 2^{51101060111100} is an apocalyptic number.

51101060111100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51101060111100 is an abundant number, since it is smaller than the sum of its proper divisors (111787177994220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51101060111100 is a wasteful number, since it uses less digits than its factorization.

51101060111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962355260 (or 962355250 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 18.

Adding to 51101060111100 its reverse (111106010115), we get a palindrome (51212166121215).

The spelling of 51101060111100 in words is "fifty-one trillion, one hundred one billion, sixty million, one hundred eleven thousand, one hundred".