11171097606149 has 32 divisors (see below), whose sum is σ = 13180514749920. Its totient is φ = 9368278843392.

The previous prime is 11171097606131. The next prime is 11171097606161. The reversal of 11171097606149 is 94160679017111.

It can be written as a sum of positive squares in 16 ways, for example, as 164030670049 + 11007066936100 = 405007^2 + 3317690^2 .

It is not a de Polignac number, because 11171097606149 - 2¹⁶ = 11171097540613 is a prime.

It is a super-2 number, since 2×11171097606149² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11171097606149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11171097606169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26561747 + ... + 26979039.

It is an arithmetic number, because the mean of its divisors is an integer number (411891085935).

Almost surely, 2^{11171097606149} is an apocalyptic number.

It is an amenable number.

11171097606149 is a deficient number, since it is larger than the sum of its proper divisors (2009417143771).

11171097606149 is a wasteful number, since it uses less digits than its factorization.

11171097606149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421529.

The product of its (nonzero) digits is 571536, while the sum is 53.

The spelling of 11171097606149 in words is "eleven trillion, one hundred seventy-one billion, ninety-seven million, six hundred six thousand, one hundred forty-nine".