994531141135456 has 24 divisors (see below), whose sum is σ = 2010901648548240. Its totient is φ = 483825960551808.

The previous prime is 994531141135447. The next prime is 994531141135489. The reversal of 994531141135456 is 654531141135499.

It is a junction number, because it is equal to n+sod(n) for n = 994531141135394 and 994531141135403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419987811796 + ... + 419987814163.

It is an arithmetic number, because the mean of its divisors is an integer number (83787568689510).

Almost surely, 2^{994531141135456} is an apocalyptic number.

It is an amenable number.

994531141135456 is an abundant number, since it is smaller than the sum of its proper divisors (1016370507412784).

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

994531141135456 is a wasteful number, since it uses less digits than its factorization.

994531141135456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839975626006 (or 839975625998 counting only the distinct ones).

The product of its digits is 34992000, while the sum is 61.

The spelling of 994531141135456 in words is "nine hundred ninety-four trillion, five hundred thirty-one billion, one hundred forty-one million, one hundred thirty-five thousand, four hundred fifty-six".