11117007077521 has 4 divisors (see below), whose sum is σ = 11702112713200. Its totient is φ = 10531901441844.

The previous prime is 11117007077509. The next prime is 11117007077551. The reversal of 11117007077521 is 12577070071111.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 11117007077521 - 2²¹ = 11117004980369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11117007077551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292552817811 + ... + 292552817848.

It is an arithmetic number, because the mean of its divisors is an integer number (2925528178300).

Almost surely, 2^{11117007077521} is an apocalyptic number.

It is an amenable number.

11117007077521 is a deficient number, since it is larger than the sum of its proper divisors (585105635679).

11117007077521 is an equidigital number, since it uses as much as digits as its factorization.

11117007077521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585105635678.

The product of its (nonzero) digits is 24010, while the sum is 40.

The spelling of 11117007077521 in words is "eleven trillion, one hundred seventeen billion, seven million, seventy-seven thousand, five hundred twenty-one".