355401111 has 8 divisors (see below), whose sum is σ = 510319600. Its totient is φ = 218708352.

The previous prime is 355401077. The next prime is 355401173. The reversal of 355401111 is 111104553.

It is a happy number.

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

It is not a de Polignac number, because 355401111 - 2⁶ = 355401047 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 (355401511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4556386 + ... + 4556463.

It is an arithmetic number, because the mean of its divisors is an integer number (63789950).

Almost surely, 2^355401111 is an apocalyptic number.

355401111 is a deficient number, since it is larger than the sum of its proper divisors (154918489).

355401111 is a wasteful number, since it uses less digits than its factorization.

355401111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9112865.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 355401111 is about 18852.0850570965. The cubic root of 355401111 is about 708.3364551220.

Adding to 355401111 its reverse (111104553), we get a palindrome (466505664).

The spelling of 355401111 in words is "three hundred fifty-five million, four hundred one thousand, one hundred eleven".