1141895205 has 32 divisors (see below), whose sum is σ = 2214587520. Its totient is φ = 553645440.

The previous prime is 1141895203. The next prime is 1141895243. The reversal of 1141895205 is 5025981411.

1141895205 is a `hidden beast` number, since 11 + 41 + 89 + 520 + 5 = 666.

It is not a de Polignac number, because 1141895205 - 2¹ = 1141895203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1141895205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141895203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382992 + ... + 385961.

It is an arithmetic number, because the mean of its divisors is an integer number (69205860).

Almost surely, 2^1141895205 is an apocalyptic number.

1141895205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1141895205 is a deficient number, since it is larger than the sum of its proper divisors (1072692315).

1141895205 is a wasteful number, since it uses less digits than its factorization.

1141895205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768978 (or 768972 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 1141895205 is about 33791.9399413529. The cubic root of 1141895205 is about 1045.2224994201. Note that the first 3 decimals are identical.

The spelling of 1141895205 in words is "one billion, one hundred forty-one million, eight hundred ninety-five thousand, two hundred five".