51061060600 has 96 divisors (see below), whose sum is σ = 137127718800. Its totient is φ = 17475430400.

The previous prime is 51061060577. The next prime is 51061060601. The reversal of 51061060600 is 606016015.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51061060601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 645235 + ... + 720034.

Almost surely, 2^51061060600 is an apocalyptic number.

51061060600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51061060600 is an abundant number, since it is smaller than the sum of its proper divisors (86066658200).

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

51061060600 is a wasteful number, since it uses less digits than its factorization.

51061060600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365313 (or 1365304 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 51061060600 its reverse (606016015), we get a palindrome (51667076615).

The spelling of 51061060600 in words is "fifty-one billion, sixty-one million, sixty thousand, six hundred".