51075010272 has 192 divisors, whose sum is σ = 157698890496. Its totient is φ = 14269685760.

The previous prime is 51075010253. The next prime is 51075010289. The reversal of 51075010272 is 27201057015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15414888 + ... + 15418200.

It is an arithmetic number, because the mean of its divisors is an integer number (821348388).

Almost surely, 2^51075010272 is an apocalyptic number.

51075010272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51075010272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78849445248).

51075010272 is an abundant number, since it is smaller than the sum of its proper divisors (106623880224).

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

51075010272 is a wasteful number, since it uses less digits than its factorization.

51075010272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473 (or 4465 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 30.

Adding to 51075010272 its reverse (27201057015), we get a palindrome (78276067287).

The spelling of 51075010272 in words is "fifty-one billion, seventy-five million, ten thousand, two hundred seventy-two".