2111563342 has 8 divisors (see below), whose sum is σ = 3619822896. Its totient is φ = 904955712.

The previous prime is 2111563273. The next prime is 2111563343. The reversal of 2111563342 is 2433651112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2111563342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111563343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75412963 + ... + 75412990.

It is an arithmetic number, because the mean of its divisors is an integer number (452477862).

Almost surely, 2^2111563342 is an apocalyptic number.

2111563342 is a deficient number, since it is larger than the sum of its proper divisors (1508259554).

2111563342 is a wasteful number, since it uses less digits than its factorization.

2111563342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150825962.

The product of its digits is 4320, while the sum is 28.

The square root of 2111563342 is about 45951.7501516536. The cubic root of 2111563342 is about 1282.9253044692.

The spelling of 2111563342 in words is "two billion, one hundred eleven million, five hundred sixty-three thousand, three hundred forty-two".