1081005211 has 32 divisors (see below), whose sum is σ = 1291530240. Its totient is φ = 891907200.

The previous prime is 1081005173. The next prime is 1081005239. The reversal of 1081005211 is 1125001801.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1081005211 - 2¹¹ = 1081003163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1081005511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3475746 + ... + 3476056.

It is an arithmetic number, because the mean of its divisors is an integer number (40360320).

Almost surely, 2^1081005211 is an apocalyptic number.

1081005211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1081005211 is a deficient number, since it is larger than the sum of its proper divisors (210525029).

1081005211 is a wasteful number, since it uses less digits than its factorization.

1081005211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 1081005211 is about 32878.6436916123. The cubic root of 1081005211 is about 1026.3037816397.

It can be divided in two parts, 108100 and 5211, that added together give a palindrome (113311).

The spelling of 1081005211 in words is "one billion, eighty-one million, five thousand, two hundred eleven".