5373171147978 has 16 divisors (see below), whose sum is σ = 11940380328960. Its totient is φ = 1791057049308.

The previous prime is 5373171147959. The next prime is 5373171147991. The reversal of 5373171147978 is 8797411713735.

5373171147978 is a `hidden beast` number, since 5 + 3 + 73 + 17 + 11 + 479 + 78 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49751584650 + ... + 49751584757.

It is an arithmetic number, because the mean of its divisors is an integer number (746273770560).

Almost surely, 2^{5373171147978} is an apocalyptic number.

5373171147978 is an abundant number, since it is smaller than the sum of its proper divisors (6567209180982).

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

5373171147978 is a wasteful number, since it uses less digits than its factorization.

5373171147978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99503169418 (or 99503169412 counting only the distinct ones).

The product of its digits is 31116960, while the sum is 63.

The spelling of 5373171147978 in words is "five trillion, three hundred seventy-three billion, one hundred seventy-one million, one hundred forty-seven thousand, nine hundred seventy-eight".