11007720005 has 16 divisors (see below), whose sum is σ = 13428735600. Its totient is φ = 8660556288.

The previous prime is 11007719959. The next prime is 11007720019. The reversal of 11007720005 is 50002770011.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 397483969 + 10610236036 = 19937^2 + 103006^2 .

It is a cyclic number.

It is not a de Polignac number, because 11007720005 - 2³⁰ = 9933978181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84179 + ... + 170591.

It is an arithmetic number, because the mean of its divisors is an integer number (839295975).

Almost surely, 2^11007720005 is an apocalyptic number.

It is an amenable number.

11007720005 is a deficient number, since it is larger than the sum of its proper divisors (2421015595).

11007720005 is an equidigital number, since it uses as much as digits as its factorization.

11007720005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86840.

The product of its (nonzero) digits is 490, while the sum is 23.

The spelling of 11007720005 in words is "eleven billion, seven million, seven hundred twenty thousand, five".