11372820441 has 16 divisors (see below), whose sum is σ = 15565042944.
Its totient is φ = 7382877824.
The previous prime is 11372820421. The next prime is 11372820457. The reversal of 11372820441 is 14402827311.
It is a cyclic number.
It is not a de Polignac number, because 11372820441 - 218 = 11372558297 is a prime.
It is not an unprimeable number, because it can be changed into a prime (11372820421) 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 in 15 ways as a sum of consecutive naturals, for example, 176940 + ... + 232493.
It is an arithmetic number, because the mean of its divisors is an integer number (972815184).
Almost surely, 211372820441 is an apocalyptic number.
It is an amenable number.
11372820441 is a deficient number, since it is larger than the sum of its proper divisors (4192222503).
11372820441 is a wasteful number, since it uses less digits than its factorization.
11372820441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 409680.
The product of its (nonzero) digits is 10752, while the sum is 33.
The spelling of 11372820441 in words is "eleven billion, three hundred seventy-two million, eight hundred twenty thousand, four hundred forty-one".