2105155343 has 16 divisors (see below), whose sum is σ = 2207018880. Its totient is φ = 2006284896.

The previous prime is 2105155319. The next prime is 2105155357. The reversal of 2105155343 is 3435515012.

It is a cyclic number.

It is not a de Polignac number, because 2105155343 - 2⁶ = 2105155279 is a prime.

It is a super-2 number, since 2×2105155343² = 8863358036322895298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105155363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304853 + ... + 311681.

It is an arithmetic number, because the mean of its divisors is an integer number (137938680).

Almost surely, 2^2105155343 is an apocalyptic number.

2105155343 is a deficient number, since it is larger than the sum of its proper divisors (101863537).

2105155343 is a wasteful number, since it uses less digits than its factorization.

2105155343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 2105155343 is about 45881.9718734930. The cubic root of 2105155343 is about 1281.6262173464.

The spelling of 2105155343 in words is "two billion, one hundred five million, one hundred fifty-five thousand, three hundred forty-three".