11372820398 has 4 divisors (see below), whose sum is σ = 17059230600. Its totient is φ = 5686410198.

The previous prime is 11372820391. The next prime is 11372820421. The reversal of 11372820398 is 89302827311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11372820391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843205098 + ... + 2843205101.

It is an arithmetic number, because the mean of its divisors is an integer number (4264807650).

Almost surely, 2^11372820398 is an apocalyptic number.

11372820398 is a deficient number, since it is larger than the sum of its proper divisors (5686410202).

11372820398 is an equidigital number, since it uses as much as digits as its factorization.

11372820398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686410201.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 11372820398 in words is "eleven billion, three hundred seventy-two million, eight hundred twenty thousand, three hundred ninety-eight".