11520764467 has 4 divisors (see below), whose sum is σ = 11521069216. Its totient is φ = 11520459720.

The previous prime is 11520764449. The next prime is 11520764473. The reversal of 11520764467 is 76446702511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11520764467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11520764417) 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, 86043 + ... + 174484.

It is an arithmetic number, because the mean of its divisors is an integer number (2880267304).

Almost surely, 2^11520764467 is an apocalyptic number.

11520764467 is a deficient number, since it is larger than the sum of its proper divisors (304749).

11520764467 is an equidigital number, since it uses as much as digits as its factorization.

11520764467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304748.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 11520764467 in words is "eleven billion, five hundred twenty million, seven hundred sixty-four thousand, four hundred sixty-seven".