1000990109911 has 8 divisors (see below), whose sum is σ = 1115223024384. Its totient is φ = 890629497720.

The previous prime is 1000990109869. The next prime is 1000990109923. The reversal of 1000990109911 is 1199010990001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000990109911 - 2¹³ = 1000990101719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000990109611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968075025 + ... + 968076058.

It is an arithmetic number, because the mean of its divisors is an integer number (139402878048).

Almost surely, 2^{1000990109911} is an apocalyptic number.

1000990109911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1000990109911 is a deficient number, since it is larger than the sum of its proper divisors (114232914473).

1000990109911 is a wasteful number, since it uses less digits than its factorization.

1000990109911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936151141.

The product of its (nonzero) digits is 6561, while the sum is 40.

The spelling of 1000990109911 in words is "one trillion, nine hundred ninety million, one hundred nine thousand, nine hundred eleven".