11890162011 has 16 divisors (see below), whose sum is σ = 19512061184. Its totient is φ = 6271733664.

The previous prime is 11890162007. The next prime is 11890162013. The reversal of 11890162011 is 11026109811.

It is a happy number.

It is not a de Polignac number, because 11890162011 - 2² = 11890162007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11890162011.

It is not an unprimeable number, because it can be changed into a prime (11890162013) 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, 21776581 + ... + 21777126.

It is an arithmetic number, because the mean of its divisors is an integer number (1219503824).

Almost surely, 2^11890162011 is an apocalyptic number.

11890162011 is a deficient number, since it is larger than the sum of its proper divisors (7621899173).

11890162011 is a wasteful number, since it uses less digits than its factorization.

11890162011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43553730.

The product of its (nonzero) digits is 864, while the sum is 30.

The spelling of 11890162011 in words is "eleven billion, eight hundred ninety million, one hundred sixty-two thousand, eleven".