10919555143 has 8 divisors (see below), whose sum is σ = 12637460480. Its totient is φ = 9241142040.

The previous prime is 10919555137. The next prime is 10919555191. The reversal of 10919555143 is 34155591901.

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 10919555143 - 2⁵ = 10919555111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10919555143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10919555743) 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, 9872463 + ... + 9873568.

It is an arithmetic number, because the mean of its divisors is an integer number (1579682560).

Almost surely, 2^10919555143 is an apocalyptic number.

10919555143 is a deficient number, since it is larger than the sum of its proper divisors (1717905337).

10919555143 is an equidigital number, since it uses as much as digits as its factorization.

10919555143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19746117.

The product of its (nonzero) digits is 121500, while the sum is 43.

The spelling of 10919555143 in words is "ten billion, nine hundred nineteen million, five hundred fifty-five thousand, one hundred forty-three".