106161505011 has 16 divisors (see below), whose sum is σ = 159043456800. Its totient is φ = 69979117824.

The previous prime is 106161504983. The next prime is 106161505013. The reversal of 106161505011 is 110505161601.

106161505011 is a `hidden beast` number, since 1 + 0 + 6 + 1 + 6 + 150 + 501 + 1 = 666.

It is not a de Polignac number, because 106161505011 - 2⁶ = 106161504947 is a prime.

It is a super-2 number, since 2×106161505011² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (106161505013) 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, 22086966 + ... + 22091771.

It is an arithmetic number, because the mean of its divisors is an integer number (9940216050).

Almost surely, 2^106161505011 is an apocalyptic number.

106161505011 is a deficient number, since it is larger than the sum of its proper divisors (52881951789).

106161505011 is an equidigital number, since it uses as much as digits as its factorization.

106161505011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44178835 (or 44178829 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 106161505011 its reverse (110505161601), we get a palindrome (216666666612).

The spelling of 106161505011 in words is "one hundred six billion, one hundred sixty-one million, five hundred five thousand, eleven".