1004223445551 has 12 divisors (see below), whose sum is σ = 1513612150128. Its totient is φ = 640374370944.

The previous prime is 1004223445501. The next prime is 1004223445559. The reversal of 1004223445551 is 1555443224001.

1004223445551 is a `hidden beast` number, since 1 + 0 + 0 + 42 + 23 + 4 + 45 + 551 = 666.

It is not a de Polignac number, because 1004223445551 - 2³¹ = 1002075961903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004223445559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2425660290 + ... + 2425660703.

It is an arithmetic number, because the mean of its divisors is an integer number (126134345844).

Almost surely, 2^{1004223445551} is an apocalyptic number.

1004223445551 is a deficient number, since it is larger than the sum of its proper divisors (509388704577).

1004223445551 is a wasteful number, since it uses less digits than its factorization.

1004223445551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851321022 (or 4851321019 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 1004223445551 its reverse (1555443224001), we get a palindrome (2559666669552).

The spelling of 1004223445551 in words is "one trillion, four billion, two hundred twenty-three million, four hundred forty-five thousand, five hundred fifty-one".