11045898169 has 8 divisors (see below), whose sum is σ = 11312634312. Its totient is φ = 10781322240.

The previous prime is 11045898161. The next prime is 11045898173. The reversal of 11045898169 is 96189854011.

It can be written as a sum of positive squares in 4 ways, for example, as 3928782400 + 7117115769 = 62680^2 + 84363^2 .

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 11045898169 - 2³ = 11045898161 is a prime.

It is a super-2 number, since 2×11045898169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11045898161) 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, 529702 + ... + 550159.

It is an arithmetic number, because the mean of its divisors is an integer number (1414079289).

Almost surely, 2^11045898169 is an apocalyptic number.

It is an amenable number.

11045898169 is a deficient number, since it is larger than the sum of its proper divisors (266736143).

11045898169 is a wasteful number, since it uses less digits than its factorization.

11045898169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080107.

The product of its (nonzero) digits is 622080, while the sum is 52.

The spelling of 11045898169 in words is "eleven billion, forty-five million, eight hundred ninety-eight thousand, one hundred sixty-nine".