51060668800 has 48 divisors (see below), whose sum is σ = 126135816300. Its totient is φ = 20424266240.

The previous prime is 51060668797. The next prime is 51060668803. The reversal of 51060668800 is 886606015.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51060668797) and next prime (51060668803).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51060668803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7975030 + ... + 7981429.

Almost surely, 2^51060668800 is an apocalyptic number.

51060668800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51060668800 is an abundant number, since it is smaller than the sum of its proper divisors (75075147500).

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

51060668800 is a wasteful number, since it uses less digits than its factorization.

51060668800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15956483 (or 15956466 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 51060668800 in words is "fifty-one billion, sixty million, six hundred sixty-eight thousand, eight hundred".