11607161651543 has 4 divisors (see below), whose sum is σ = 12111820853808. Its totient is φ = 11102502449280.

The previous prime is 11607161651513. The next prime is 11607161651567. The reversal of 11607161651543 is 34515616170611.

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 11607161651543 - 2²⁶ = 11607094542679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11607161651513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252329601098 + ... + 252329601143.

It is an arithmetic number, because the mean of its divisors is an integer number (3027955213452).

Almost surely, 2^{11607161651543} is an apocalyptic number.

11607161651543 is a deficient number, since it is larger than the sum of its proper divisors (504659202265).

11607161651543 is an equidigital number, since it uses as much as digits as its factorization.

11607161651543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504659202264.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 11607161651543 in words is "eleven trillion, six hundred seven billion, one hundred sixty-one million, six hundred fifty-one thousand, five hundred forty-three".