51012783129088 has 40 divisors (see below), whose sum is σ = 111191925738960. Its totient is φ = 23187628692480.

The previous prime is 51012783129029. The next prime is 51012783129089. The reversal of 51012783129088 is 88092138721015.

It is a happy number.

It is a super-3 number, since 3×51012783129088³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51012783129089) 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, 4528828098 + ... + 4528839361.

It is an arithmetic number, because the mean of its divisors is an integer number (2779798143474).

Almost surely, 2^{51012783129088} is an apocalyptic number.

It is an amenable number.

51012783129088 is an abundant number, since it is smaller than the sum of its proper divisors (60179142609872).

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

51012783129088 is an equidigital number, since it uses as much as digits as its factorization.

51012783129088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9057667488 (or 9057667472 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 55.

The spelling of 51012783129088 in words is "fifty-one trillion, twelve billion, seven hundred eighty-three million, one hundred twenty-nine thousand, eighty-eight".