404113004123555 has 16 divisors (see below), whose sum is σ = 492171536563680. Its totient is φ = 318477133179648.

The previous prime is 404113004123539. The next prime is 404113004123599. The reversal of 404113004123555 is 555321400311404.

It is a cyclic number.

It is not a de Polignac number, because 404113004123555 - 2⁴ = 404113004123539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667465157 + ... + 668070326.

It is an arithmetic number, because the mean of its divisors is an integer number (30760721035230).

Almost surely, 2^{404113004123555} is an apocalyptic number.

404113004123555 is a deficient number, since it is larger than the sum of its proper divisors (88058532440125).

404113004123555 is a wasteful number, since it uses less digits than its factorization.

404113004123555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335536390.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 404113004123555 its reverse (555321400311404), we get a palindrome (959434404434959).

The spelling of 404113004123555 in words is "four hundred four trillion, one hundred thirteen billion, four million, one hundred twenty-three thousand, five hundred fifty-five".