11367511487 has 4 divisors (see below), whose sum is σ = 11371363920. Its totient is φ = 11363659056.

The previous prime is 11367511471. The next prime is 11367511523. The reversal of 11367511487 is 78411576311.

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 11367511487 - 2⁴ = 11367511471 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 (11367511787) 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, 1921787 + ... + 1927692.

It is an arithmetic number, because the mean of its divisors is an integer number (2842840980).

Almost surely, 2^11367511487 is an apocalyptic number.

11367511487 is a deficient number, since it is larger than the sum of its proper divisors (3852433).

11367511487 is an equidigital number, since it uses as much as digits as its factorization.

11367511487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852432.

The product of its digits is 141120, while the sum is 44.

The spelling of 11367511487 in words is "eleven billion, three hundred sixty-seven million, five hundred eleven thousand, four hundred eighty-seven".