51019145446080 has 336 divisors, whose sum is σ = 192814603407360. Its totient is φ = 11390320392192.

The previous prime is 51019145446069. The next prime is 51019145446183. The reversal of 51019145446080 is 8064454191015.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10588800 + ... + 14634239.

Almost surely, 2^{51019145446080} is an apocalyptic number.

It is an amenable number.

51019145446080 is an abundant number, since it is smaller than the sum of its proper divisors (141795457961280).

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

51019145446080 is a wasteful number, since it uses less digits than its factorization.

51019145446080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25223116 (or 25223099 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 51019145446080 in words is "fifty-one trillion, nineteen billion, one hundred forty-five million, four hundred forty-six thousand, eighty".