11900354165 has 8 divisors (see below), whose sum is σ = 16320485760. Its totient is φ = 8160242832.

The previous prime is 11900354143. The next prime is 11900354171. The reversal of 11900354165 is 56145300911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11900354165 - 2⁶ = 11900354101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 340010119 = 11900354165 / (1 + 1 + 9 + 0 + 0 + 3 + 5 + 4 + 1 + 6 + 5).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170005025 + ... + 170005094.

It is an arithmetic number, because the mean of its divisors is an integer number (2040060720).

Almost surely, 2^11900354165 is an apocalyptic number.

It is an amenable number.

11900354165 is a deficient number, since it is larger than the sum of its proper divisors (4420131595).

11900354165 is an equidigital number, since it uses as much as digits as its factorization.

11900354165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340010131.

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 11900354165 in words is "eleven billion, nine hundred million, three hundred fifty-four thousand, one hundred sixty-five".