11747520079 has 4 divisors (see below), whose sum is σ = 11861573776. Its totient is φ = 11633466384.

The previous prime is 11747520077. The next prime is 11747520097. The reversal of 11747520079 is 97002574711.

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 11747520079 - 2¹ = 11747520077 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 (11747520073) 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, 57026694 + ... + 57026899.

It is an arithmetic number, because the mean of its divisors is an integer number (2965393444).

Almost surely, 2^11747520079 is an apocalyptic number.

11747520079 is a deficient number, since it is larger than the sum of its proper divisors (114053697).

11747520079 is a wasteful number, since it uses less digits than its factorization.

11747520079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114053696.

The product of its (nonzero) digits is 123480, while the sum is 43.

The spelling of 11747520079 in words is "eleven billion, seven hundred forty-seven million, five hundred twenty thousand, seventy-nine".