4405121113550 has 24 divisors (see below), whose sum is σ = 8212189378800. Its totient is φ = 1758034658880.

The previous prime is 4405121113543. The next prime is 4405121113607. The reversal of 4405121113550 is 553111215044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100322495 + ... + 100366394.

It is an arithmetic number, because the mean of its divisors is an integer number (342174557450).

Almost surely, 2^{4405121113550} is an apocalyptic number.

4405121113550 is a deficient number, since it is larger than the sum of its proper divisors (3807068265250).

4405121113550 is a wasteful number, since it uses less digits than its factorization.

4405121113550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200689340 (or 200689335 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 4405121113550 its reverse (553111215044), we get a palindrome (4958232328594).

The spelling of 4405121113550 in words is "four trillion, four hundred five billion, one hundred twenty-one million, one hundred thirteen thousand, five hundred fifty".