9090914145556 has 12 divisors (see below), whose sum is σ = 15910057154880. Its totient is φ = 4545183529880.

The previous prime is 9090914145541. The next prime is 9090914145569. The reversal of 9090914145556 is 6555414190909.

It is a self number, because there is not a number n which added to its sum of digits gives 9090914145556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68310940 + ... + 68443891.

It is an arithmetic number, because the mean of its divisors is an integer number (1325838096240).

Almost surely, 2^{9090914145556} is an apocalyptic number.

It is an amenable number.

9090914145556 is a deficient number, since it is larger than the sum of its proper divisors (6819143009324).

9090914145556 is a wasteful number, since it uses less digits than its factorization.

9090914145556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136771454 (or 136771452 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 58.

The spelling of 9090914145556 in words is "nine trillion, ninety billion, nine hundred fourteen million, one hundred forty-five thousand, five hundred fifty-six".