11020743165 has 16 divisors (see below), whose sum is σ = 17672472000. Its totient is φ = 5864635392.

The previous prime is 11020743079. The next prime is 11020743199. The reversal of 11020743165 is 56134702011.

It is not a de Polignac number, because 11020743165 - 2⁷ = 11020743037 is a prime.

It is a congruent 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, 811435 + ... + 824904.

It is an arithmetic number, because the mean of its divisors is an integer number (1104529500).

Almost surely, 2^11020743165 is an apocalyptic number.

11020743165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11020743165 is a deficient number, since it is larger than the sum of its proper divisors (6651728835).

11020743165 is a wasteful number, since it uses less digits than its factorization.

11020743165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636796.

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 11020743165 in words is "eleven billion, twenty million, seven hundred forty-three thousand, one hundred sixty-five".