1009817557094 has 16 divisors (see below), whose sum is σ = 1582537811040. Its totient is φ = 482359225920.

The previous prime is 1009817557087. The next prime is 1009817557121. The reversal of 1009817557094 is 4907557189001.

It is a happy number.

1009817557094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 13530497 + ... + 13604924.

It is an arithmetic number, because the mean of its divisors is an integer number (98908613190).

Almost surely, 2^{1009817557094} is an apocalyptic number.

1009817557094 is a deficient number, since it is larger than the sum of its proper divisors (572720253946).

1009817557094 is a wasteful number, since it uses less digits than its factorization.

1009817557094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27136255.

The product of its (nonzero) digits is 3175200, while the sum is 56.

The spelling of 1009817557094 in words is "one trillion, nine billion, eight hundred seventeen million, five hundred fifty-seven thousand, ninety-four".