11261292046209 has 12 divisors (see below), whose sum is σ = 16266479996052. Its totient is φ = 7507449909600.

The previous prime is 11261292046189. The next prime is 11261292046231. The reversal of 11261292046209 is 90264029216211.

11261292046209 is a `hidden beast` number, since 1 + 1 + 2 + 6 + 12 + 9 + 2 + 0 + 4 + 620 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10978805111184 + 282486935025 = 3313428^2 + 531495^2 .

It is not a de Polignac number, because 11261292046209 - 2⁸ = 11261292045953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11261292046409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5590302 + ... + 7333079.

It is an arithmetic number, because the mean of its divisors is an integer number (1355539999671).

Almost surely, 2^{11261292046209} is an apocalyptic number.

It is an amenable number.

11261292046209 is a deficient number, since it is larger than the sum of its proper divisors (5005187949843).

11261292046209 is a wasteful number, since it uses less digits than its factorization.

11261292046209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13020208 (or 13020205 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 11261292046209 in words is "eleven trillion, two hundred sixty-one billion, two hundred ninety-two million, forty-six thousand, two hundred nine".