355055653811 has 4 divisors (see below), whose sum is σ = 362610029472. Its totient is φ = 347501278152.

The previous prime is 355055653769. The next prime is 355055653817. The reversal of 355055653811 is 118356550553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118356550553 = 85991 ⋅1376383.

It is not a de Polignac number, because 355055653811 - 2¹⁸ = 355055391667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 7554375613 = 355055653811 / (3 + 5 + 5 + 0 + 5 + 5 + 6 + 5 + 3 + 8 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355055653817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3777187760 + ... + 3777187853.

It is an arithmetic number, because the mean of its divisors is an integer number (90652507368).

Almost surely, 2^355055653811 is an apocalyptic number.

355055653811 is a deficient number, since it is larger than the sum of its proper divisors (7554375661).

355055653811 is an equidigital number, since it uses as much as digits as its factorization.

355055653811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7554375660.

The product of its (nonzero) digits is 1350000, while the sum is 47.

The spelling of 355055653811 in words is "three hundred fifty-five billion, fifty-five million, six hundred fifty-three thousand, eight hundred eleven".