11606404137091 has 4 divisors (see below), whose sum is σ = 12289133792232. Its totient is φ = 10923674481952.

The previous prime is 11606404137079. The next prime is 11606404137131. The reversal of 11606404137091 is 19073140460611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11606404137091 - 2²³ = 11606395748483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11606404137011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341364827545 + ... + 341364827578.

It is an arithmetic number, because the mean of its divisors is an integer number (3072283448058).

Almost surely, 2^{11606404137091} is an apocalyptic number.

11606404137091 is a deficient number, since it is larger than the sum of its proper divisors (682729655141).

11606404137091 is an equidigital number, since it uses as much as digits as its factorization.

11606404137091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682729655140.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 11606404137091 in words is "eleven trillion, six hundred six billion, four hundred four million, one hundred thirty-seven thousand, ninety-one".