9190955545555 has 16 divisors (see below), whose sum is σ = 12604870831104. Its totient is φ = 6302303618400.

The previous prime is 9190955545547. The next prime is 9190955545601. The reversal of 9190955545555 is 5555455590919.

It is not a de Polignac number, because 9190955545555 - 2³ = 9190955545547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2149530 + ... + 4796080.

It is an arithmetic number, because the mean of its divisors is an integer number (787804426944).

Almost surely, 2^{9190955545555} is an apocalyptic number.

9190955545555 is a deficient number, since it is larger than the sum of its proper divisors (3413915285549).

9190955545555 is a wasteful number, since it uses less digits than its factorization.

9190955545555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745786.

The product of its (nonzero) digits is 227812500, while the sum is 67.

The spelling of 9190955545555 in words is "nine trillion, one hundred ninety billion, nine hundred fifty-five million, five hundred forty-five thousand, five hundred fifty-five".