355212212553 has 24 divisors (see below), whose sum is σ = 574856133696. Its totient is φ = 209461744800.

The previous prime is 355212212549. The next prime is 355212212567.

355212212553 is a `hidden beast` number, since 3 + 5 + 521 + 2 + 2 + 125 + 5 + 3 = 666.

355212212553 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 355212212553 - 2² = 355212212549 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (355212212653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48482853 + ... + 48490178.

It is an arithmetic number, because the mean of its divisors is an integer number (23952338904).

Almost surely, 2^355212212553 is an apocalyptic number.

355212212553 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

355212212553 is a deficient number, since it is larger than the sum of its proper divisors (219643921143).

355212212553 is a wasteful number, since it uses less digits than its factorization.

355212212553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96973085 (or 96973082 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

It can be divided in two parts, 355212 and 212553, that added together give a palindrome (567765).

The spelling of 355212212553 in words is "three hundred fifty-five billion, two hundred twelve million, two hundred twelve thousand, five hundred fifty-three".