51660151100 has 36 divisors (see below), whose sum is σ = 115132334184. Its totient is φ = 20105570880.

The previous prime is 51660151033. The next prime is 51660151117. The reversal of 51660151100 is 115106615.

51660151100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51660151100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6977402 + ... + 6984801.

It is an arithmetic number, because the mean of its divisors is an integer number (3198120394).

Almost surely, 2^51660151100 is an apocalyptic number.

51660151100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51660151100 is an abundant number, since it is smaller than the sum of its proper divisors (63472183084).

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

51660151100 is a wasteful number, since it uses less digits than its factorization.

51660151100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13962254 (or 13962247 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 51660151100 its reverse (115106615), we get a palindrome (51775257715).

The spelling of 51660151100 in words is "fifty-one billion, six hundred sixty million, one hundred fifty-one thousand, one hundred".