51247125328416 has 96 divisors (see below), whose sum is σ = 139268937003840. Its totient is φ = 16480707296256.

The previous prime is 51247125328369. The next prime is 51247125328457. The reversal of 51247125328416 is 61482352174215.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3403291 + ... + 10680666.

It is an arithmetic number, because the mean of its divisors is an integer number (1450718093790).

Almost surely, 2^{51247125328416} is an apocalyptic number.

It is an amenable number.

51247125328416 is an abundant number, since it is smaller than the sum of its proper divisors (88021811675424).

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

51247125328416 is a wasteful number, since it uses less digits than its factorization.

51247125328416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14085306 (or 14085298 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 51.

The spelling of 51247125328416 in words is "fifty-one trillion, two hundred forty-seven billion, one hundred twenty-five million, three hundred twenty-eight thousand, four hundred sixteen".