51326543102016 has 112 divisors (see below), whose sum is σ = 167140281440384. Its totient is φ = 13536670703616.

The previous prime is 51326543101957. The next prime is 51326543102017. The reversal of 51326543102016 is 61020134562315.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (51326543102017) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1468805305 + ... + 1468840248.

It is an arithmetic number, because the mean of its divisors is an integer number (1492323941432).

Almost surely, 2^{51326543102016} is an apocalyptic number.

51326543102016 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51326543102016 is an abundant number, since it is smaller than the sum of its proper divisors (115813738338368).

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

51326543102016 is a wasteful number, since it uses less digits than its factorization.

51326543102016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937645588 (or 2937645578 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 51326543102016 in words is "fifty-one trillion, three hundred twenty-six billion, five hundred forty-three million, one hundred two thousand, sixteen".