211113430151105 has 4 divisors (see below), whose sum is σ = 253336116181332. Its totient is φ = 168890744120880.

The previous prime is 211113430151101. The next prime is 211113430151167. The reversal of 211113430151105 is 501151034311112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26271785611201 + 184841644539904 = 5125601^2 + 13595648^2 .

It is not a de Polignac number, because 211113430151105 - 2² = 211113430151101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211113430151101) 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 3 ways as a sum of consecutive naturals, for example, 21111343015106 + ... + 21111343015115.

It is an arithmetic number, because the mean of its divisors is an integer number (63334029045333).

Almost surely, 2^{211113430151105} is an apocalyptic number.

It is an amenable number.

211113430151105 is a deficient number, since it is larger than the sum of its proper divisors (42222686030227).

211113430151105 is an equidigital number, since it uses as much as digits as its factorization.

211113430151105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42222686030226.

The product of its (nonzero) digits is 1800, while the sum is 29.

Adding to 211113430151105 its reverse (501151034311112), we get a palindrome (712264464462217).

The spelling of 211113430151105 in words is "two hundred eleven trillion, one hundred thirteen billion, four hundred thirty million, one hundred fifty-one thousand, one hundred five".