51154104072 has 32 divisors (see below), whose sum is σ = 128033498880. Its totient is φ = 17031602880.

The previous prime is 51154104049. The next prime is 51154104103. The reversal of 51154104072 is 27040145115.

It is a super-3 number, since 3×51154104072³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214179 + ... + 1255602.

It is an arithmetic number, because the mean of its divisors is an integer number (4001046840).

Almost surely, 2^51154104072 is an apocalyptic number.

It is an amenable number.

51154104072 is an abundant number, since it is smaller than the sum of its proper divisors (76879394808).

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

51154104072 is a wasteful number, since it uses less digits than its factorization.

51154104072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470653 (or 2470649 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

Adding to 51154104072 its reverse (27040145115), we get a palindrome (78194249187).

The spelling of 51154104072 in words is "fifty-one billion, one hundred fifty-four million, one hundred four thousand, seventy-two".