51535153005112 has 128 divisors (see below), whose sum is σ = 118691178163200. Its totient is φ = 20474014758912.

The previous prime is 51535153005101. The next prime is 51535153005137. The reversal of 51535153005112 is 21150035153515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461038653 + ... + 461150419.

It is an arithmetic number, because the mean of its divisors is an integer number (927274829400).

Almost surely, 2^{51535153005112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51535153005112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59345589081600).

51535153005112 is an abundant number, since it is smaller than the sum of its proper divisors (67156025158088).

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

51535153005112 is a wasteful number, since it uses less digits than its factorization.

51535153005112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119093 (or 119089 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 37.

Adding to 51535153005112 its reverse (21150035153515), we get a palindrome (72685188158627).

The spelling of 51535153005112 in words is "fifty-one trillion, five hundred thirty-five billion, one hundred fifty-three million, five thousand, one hundred twelve".