355011120626021 has 8 divisors (see below), whose sum is σ = 355517901716544. Its totient is φ = 354504621008160.

The previous prime is 355011120626017. The next prime is 355011120626047. The reversal of 355011120626021 is 120626021110553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 355011120626021 - 2² = 355011120626017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355011120626081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67843775 + ... + 72888956.

It is an arithmetic number, because the mean of its divisors is an integer number (44439737714568).

Almost surely, 2^{355011120626021} is an apocalyptic number.

It is an amenable number.

355011120626021 is a deficient number, since it is larger than the sum of its proper divisors (506781090523).

355011120626021 is a wasteful number, since it uses less digits than its factorization.

355011120626021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140736331.

The product of its (nonzero) digits is 21600, while the sum is 35.

Adding to 355011120626021 its reverse (120626021110553), we get a palindrome (475637141736574).

The spelling of 355011120626021 in words is "three hundred fifty-five trillion, eleven billion, one hundred twenty million, six hundred twenty-six thousand, twenty-one".