2111554353 has 16 divisors (see below), whose sum is σ = 2946032640. Its totient is φ = 1342731984.

The previous prime is 2111554349. The next prime is 2111554373. The reversal of 2111554353 is 3534551112.

It is not a de Polignac number, because 2111554353 - 2² = 2111554349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111554353.

It is not an unprimeable number, because it can be changed into a prime (2111554373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17851 + ... + 67392.

It is an arithmetic number, because the mean of its divisors is an integer number (184127040).

Almost surely, 2^2111554353 is an apocalyptic number.

2111554353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2111554353 is a deficient number, since it is larger than the sum of its proper divisors (834478287).

2111554353 is a wasteful number, since it uses less digits than its factorization.

2111554353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85628.

The product of its digits is 9000, while the sum is 30.

The square root of 2111554353 is about 45951.6523424349. The cubic root of 2111554353 is about 1282.9234839805.

The spelling of 2111554353 in words is "two billion, one hundred eleven million, five hundred fifty-four thousand, three hundred fifty-three".