11393522067 has 4 divisors (see below), whose sum is σ = 15191362760. Its totient is φ = 7595681376.

The previous prime is 11393522053. The next prime is 11393522069. The reversal of 11393522067 is 76022539311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76022539311 = 3 ⋅25340846437.

It is a de Polignac number, because none of the positive numbers 2^k-11393522067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11393522069) 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, 1898920342 + ... + 1898920347.

It is an arithmetic number, because the mean of its divisors is an integer number (3797840690).

Almost surely, 2^11393522067 is an apocalyptic number.

11393522067 is a deficient number, since it is larger than the sum of its proper divisors (3797840693).

11393522067 is an equidigital number, since it uses as much as digits as its factorization.

11393522067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797840692.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 11393522067 in words is "eleven billion, three hundred ninety-three million, five hundred twenty-two thousand, sixty-seven".