3551013815404 has 72 divisors (see below), whose sum is σ = 7337320281648. Its totient is φ = 1490486799360.

The previous prime is 3551013815389. The next prime is 3551013815407. The reversal of 3551013815404 is 4045183101553.

It is a happy number.

3551013815404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3551013815407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1960539 + ... + 3308434.

It is an arithmetic number, because the mean of its divisors is an integer number (101907226134).

Almost surely, 2^{3551013815404} is an apocalyptic number.

3551013815404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3551013815404 is an abundant number, since it is smaller than the sum of its proper divisors (3786306466244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3551013815404 is a wasteful number, since it uses less digits than its factorization.

3551013815404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5269075 (or 5269056 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

Adding to 3551013815404 its reverse (4045183101553), we get a palindrome (7596196916957).

The spelling of 3551013815404 in words is "three trillion, five hundred fifty-one billion, thirteen million, eight hundred fifteen thousand, four hundred four".