11557470105 has 12 divisors (see below), whose sum is σ = 20032948260. Its totient is φ = 6163984032.

The previous prime is 11557470091. The next prime is 11557470143. The reversal of 11557470105 is 50107475511.

It is a happy number.

11557470105 is a `hidden beast` number, since 1 + 1 + 5 + 574 + 70 + 10 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6289758864 + 5267711241 = 79308^2 + 72579^2 .

It is not a de Polignac number, because 11557470105 - 2¹² = 11557466009 is a prime.

It is a super-2 number, since 2×11557470105² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11557470105.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 128416290 + ... + 128416379.

It is an arithmetic number, because the mean of its divisors is an integer number (1669412355).

Almost surely, 2^11557470105 is an apocalyptic number.

11557470105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11557470105 is a deficient number, since it is larger than the sum of its proper divisors (8475478155).

11557470105 is a wasteful number, since it uses less digits than its factorization.

11557470105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256832680 (or 256832677 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 36.

The spelling of 11557470105 in words is "eleven billion, five hundred fifty-seven million, four hundred seventy thousand, one hundred five".