213414321161611 has 4 divisors (see below), whose sum is σ = 214972089929352. Its totient is φ = 211856552393872.

The previous prime is 213414321161557. The next prime is 213414321161621. The reversal of 213414321161611 is 116161123414312.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 213414321161611 - 2¹¹ = 213414321159563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213414321161621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778884383665 + ... + 778884383938.

It is an arithmetic number, because the mean of its divisors is an integer number (53743022482338).

Almost surely, 2^{213414321161611} is an apocalyptic number.

213414321161611 is a deficient number, since it is larger than the sum of its proper divisors (1557768767741).

213414321161611 is a wasteful number, since it uses less digits than its factorization.

213414321161611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557768767740.

The product of its digits is 20736, while the sum is 37.

Adding to 213414321161611 its reverse (116161123414312), we get a palindrome (329575444575923).

The spelling of 213414321161611 in words is "two hundred thirteen trillion, four hundred fourteen billion, three hundred twenty-one million, one hundred sixty-one thousand, six hundred eleven".