11161757707 has 4 divisors (see below), whose sum is σ = 11171290696. Its totient is φ = 11152224720.

The previous prime is 11161757603. The next prime is 11161757741. The reversal of 11161757707 is 70775716111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70775716111 = 397 ⋅178276363.

It is a cyclic number.

It is not a de Polignac number, because 11161757707 - 2²³ = 11153369099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11161757807) 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, 4764738 + ... + 4767079.

It is an arithmetic number, because the mean of its divisors is an integer number (2792822674).

Almost surely, 2^11161757707 is an apocalyptic number.

11161757707 is a deficient number, since it is larger than the sum of its proper divisors (9532989).

11161757707 is an equidigital number, since it uses as much as digits as its factorization.

11161757707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9532988.

The product of its (nonzero) digits is 72030, while the sum is 43.

The spelling of 11161757707 in words is "eleven billion, one hundred sixty-one million, seven hundred fifty-seven thousand, seven hundred seven".