11372820442 has 8 divisors (see below), whose sum is σ = 17800936416.
Its totient is φ = 5439174972.
The previous prime is 11372820421. The next prime is 11372820457. The reversal of 11372820442 is 24402827311.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 11372820398 and 11372820407.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 123617568 + ... + 123617659.
It is an arithmetic number, because the mean of its divisors is an integer number (2225117052).
Almost surely, 211372820442 is an apocalyptic number.
11372820442 is a deficient number, since it is larger than the sum of its proper divisors (6428115974).
11372820442 is a wasteful number, since it uses less digits than its factorization.
11372820442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247235252.
The product of its (nonzero) digits is 21504, while the sum is 34.
The spelling of 11372820442 in words is "eleven billion, three hundred seventy-two million, eight hundred twenty thousand, four hundred forty-two".