51250336011512 has 192 divisors, whose sum is σ = 115330806512640. Its totient is φ = 21156510771200.

The previous prime is 51250336011463. The next prime is 51250336011527. The reversal of 51250336011512 is 21511063305215.

It is a super-2 number, since 2×51250336011512² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84564638 + ... + 85168530.

It is an arithmetic number, because the mean of its divisors is an integer number (600681283920).

Almost surely, 2^{51250336011512} 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 51250336011512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57665403256320).

51250336011512 is an abundant number, since it is smaller than the sum of its proper divisors (64080470501128).

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

51250336011512 is a wasteful number, since it uses less digits than its factorization.

51250336011512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604062 (or 604041 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

Adding to 51250336011512 its reverse (21511063305215), we get a palindrome (72761399316727).

The spelling of 51250336011512 in words is "fifty-one trillion, two hundred fifty billion, three hundred thirty-six million, eleven thousand, five hundred twelve".