106405011 has 6 divisors (see below), whose sum is σ = 153696140. Its totient is φ = 70936668.

The previous prime is 106405009. The next prime is 106405027. The reversal of 106405011 is 110504601.

106405011 is a `hidden beast` number, since 10 + 640 + 5 + 0 + 11 = 666.

It is not a de Polignac number, because 106405011 - 2¹ = 106405009 is a prime.

It is a super-2 number, since 2×106405011² = 22644052731820242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106505011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5911381 + ... + 5911398.

Almost surely, 2^106405011 is an apocalyptic number.

106405011 is a deficient number, since it is larger than the sum of its proper divisors (47291129).

106405011 is a wasteful number, since it uses less digits than its factorization.

106405011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11822785 (or 11822782 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 106405011 is about 10315.2804615289. The cubic root of 106405011 is about 473.8643392147.

Adding to 106405011 its reverse (110504601), we get a palindrome (216909612).

It can be divided in two parts, 10640 and 5011, that added together give a palindrome (15651).

The spelling of 106405011 in words is "one hundred six million, four hundred five thousand, eleven".