213205253153305 has 16 divisors (see below), whose sum is σ = 292726914839424. Its totient is φ = 146032318333440.

The previous prime is 213205253153279. The next prime is 213205253153351. The reversal of 213205253153305 is 503351352502312.

It is not a de Polignac number, because 213205253153305 - 2¹³ = 213205253145113 is a prime.

It is a Duffinian number.

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, 3449334136 + ... + 3449395945.

It is an arithmetic number, because the mean of its divisors is an integer number (18295432177464).

Almost surely, 2^{213205253153305} is an apocalyptic number.

It is an amenable number.

213205253153305 is a deficient number, since it is larger than the sum of its proper divisors (79521661686119).

213205253153305 is an equidigital number, since it uses as much as digits as its factorization.

213205253153305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6898730976.

The product of its (nonzero) digits is 405000, while the sum is 40.

The spelling of 213205253153305 in words is "two hundred thirteen trillion, two hundred five billion, two hundred fifty-three million, one hundred fifty-three thousand, three hundred five".