51345501451512 has 64 divisors (see below), whose sum is σ = 130812321820800. Its totient is φ = 16790172013440.

The previous prime is 51345501451507. The next prime is 51345501451523. The reversal of 51345501451512 is 21515410554315.

It is a super-2 number, since 2×51345501451512² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45714358 + ... + 46824069.

It is an arithmetic number, because the mean of its divisors is an integer number (2043942528450).

Almost surely, 2^{51345501451512} is an apocalyptic number.

It is an amenable number.

51345501451512 is an abundant number, since it is smaller than the sum of its proper divisors (79466820369288).

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

51345501451512 is a wasteful number, since it uses less digits than its factorization.

51345501451512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92538876 (or 92538872 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 42.

The spelling of 51345501451512 in words is "fifty-one trillion, three hundred forty-five billion, five hundred one million, four hundred fifty-one thousand, five hundred twelve".