11615264671 has 4 divisors (see below), whose sum is σ = 12298515552. Its totient is φ = 10932013792.

The previous prime is 11615264659. The next prime is 11615264711. The reversal of 11615264671 is 17646251611.

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 11615264671 - 2⁹ = 11615264159 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 (11615264641) 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, 341625415 + ... + 341625448.

It is an arithmetic number, because the mean of its divisors is an integer number (3074628888).

Almost surely, 2^11615264671 is an apocalyptic number.

11615264671 is a deficient number, since it is larger than the sum of its proper divisors (683250881).

11615264671 is an equidigital number, since it uses as much as digits as its factorization.

11615264671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683250880.

The product of its digits is 60480, while the sum is 40.

The spelling of 11615264671 in words is "eleven billion, six hundred fifteen million, two hundred sixty-four thousand, six hundred seventy-one".