51000605551101 has 16 divisors (see below), whose sum is σ = 73221208372800. Its totient is φ = 31458000630528.

The previous prime is 51000605551081. The next prime is 51000605551139. The reversal of 51000605551101 is 10115550600015.

It is not a de Polignac number, because 51000605551101 - 2¹⁰ = 51000605550077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51000605551171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8474673886 + ... + 8474679903.

It is an arithmetic number, because the mean of its divisors is an integer number (4576325523300).

Almost surely, 2^{51000605551101} is an apocalyptic number.

51000605551101 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

51000605551101 is a deficient number, since it is larger than the sum of its proper divisors (22220602821699).

51000605551101 is a wasteful number, since it uses less digits than its factorization.

51000605551101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16949353868.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 51000605551101 in words is "fifty-one trillion, six hundred five million, five hundred fifty-one thousand, one hundred one".