11267117517 has 4 divisors (see below), whose sum is σ = 15022823360. Its totient is φ = 7511411676.

The previous prime is 11267117473. The next prime is 11267117551. The reversal of 11267117517 is 71571176211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11267117517 - 2¹⁴ = 11267101133 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 (11267116517) 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, 1877852917 + ... + 1877852922.

It is an arithmetic number, because the mean of its divisors is an integer number (3755705840).

Almost surely, 2^11267117517 is an apocalyptic number.

It is an amenable number.

11267117517 is a deficient number, since it is larger than the sum of its proper divisors (3755705843).

11267117517 is an equidigital number, since it uses as much as digits as its factorization.

11267117517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755705842.

The product of its digits is 20580, while the sum is 39.

The spelling of 11267117517 in words is "eleven billion, two hundred sixty-seven million, one hundred seventeen thousand, five hundred seventeen".