51651060651510 has 32 divisors (see below), whose sum is σ = 126986022287712. Its totient is φ = 13437674315520.

The previous prime is 51651060651457. The next prime is 51651060651529. The reversal of 51651060651510 is 1515606015615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20996364889 + ... + 20996367348.

It is an arithmetic number, because the mean of its divisors is an integer number (3968313196491).

Almost surely, 2^{51651060651510} is an apocalyptic number.

51651060651510 is an abundant number, since it is smaller than the sum of its proper divisors (75334961636202).

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

51651060651510 is a wasteful number, since it uses less digits than its factorization.

51651060651510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41992732288.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 51651060651510 in words is "fifty-one trillion, six hundred fifty-one billion, sixty million, six hundred fifty-one thousand, five hundred ten".