51011106055600 has 30 divisors (see below), whose sum is σ = 122554182299540. Its totient is φ = 20404442422080.

The previous prime is 51011106055573. The next prime is 51011106055603. The reversal of 51011106055600 is 655060111015.

It is not an unprimeable number, because it can be changed into a prime (51011106055603) 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, 63763882170 + ... + 63763882969.

Almost surely, 2^{51011106055600} is an apocalyptic number.

51011106055600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51011106055600 is an abundant number, since it is smaller than the sum of its proper divisors (71543076243940).

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

51011106055600 is a wasteful number, since it uses less digits than its factorization.

51011106055600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127527765157 (or 127527765146 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 51011106055600 its reverse (655060111015), we get a palindrome (51666166166615).

The spelling of 51011106055600 in words is "fifty-one trillion, eleven billion, one hundred six million, fifty-five thousand, six hundred".