51020451005124 has 12 divisors (see below), whose sum is σ = 119047719011984. Its totient is φ = 17006817001704.

The previous prime is 51020451005023. The next prime is 51020451005129. The reversal of 51020451005124 is 42150015402015.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 51020451005091 and 51020451005100.

It is not an unprimeable number, because it can be changed into a prime (51020451005129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2125852125202 + ... + 2125852125225.

Almost surely, 2^{51020451005124} is an apocalyptic number.

It is an amenable number.

51020451005124 is an abundant number, since it is smaller than the sum of its proper divisors (68027268006860).

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

51020451005124 is a wasteful number, since it uses less digits than its factorization.

51020451005124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251704250434 (or 4251704250432 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 51020451005124 its reverse (42150015402015), we get a palindrome (93170466407139).

The spelling of 51020451005124 in words is "fifty-one trillion, twenty billion, four hundred fifty-one million, five thousand, one hundred twenty-four".