11145673850 has 12 divisors (see below), whose sum is σ = 20730953454. Its totient is φ = 4458269520.

The previous prime is 11145673843. The next prime is 11145673867. The reversal of 11145673850 is 5837654111.

It can be written as a sum of positive squares in 3 ways, for example, as 4694853361 + 6450820489 = 68519^2 + 80317^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11145673798 and 11145673807.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111456689 + ... + 111456788.

Almost surely, 2^11145673850 is an apocalyptic number.

11145673850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11145673850 is a deficient number, since it is larger than the sum of its proper divisors (9585279604).

11145673850 is a wasteful number, since it uses less digits than its factorization.

11145673850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222913489 (or 222913484 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 11145673850 in words is "eleven billion, one hundred forty-five million, six hundred seventy-three thousand, eight hundred fifty".