81410011101 has 24 divisors (see below), whose sum is σ = 117977487264. Its totient is φ = 54095660640.

The previous prime is 81410011093. The next prime is 81410011103. The reversal of 81410011101 is 10111001418.

It is a happy number.

It is not a de Polignac number, because 81410011101 - 2³ = 81410011093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81410011103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14647215 + ... + 14652771.

It is an arithmetic number, because the mean of its divisors is an integer number (4915728636).

Almost surely, 2^81410011101 is an apocalyptic number.

It is an amenable number.

81410011101 is a deficient number, since it is larger than the sum of its proper divisors (36567476163).

81410011101 is a wasteful number, since it uses less digits than its factorization.

81410011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10601 (or 10598 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 81410011101 its reverse (10111001418), we get a palindrome (91521012519).

The spelling of 81410011101 in words is "eighty-one billion, four hundred ten million, eleven thousand, one hundred one".