213551135033411 has 16 divisors (see below), whose sum is σ = 249509140647936. Its totient is φ = 178995687748416.

The previous prime is 213551135033407. The next prime is 213551135033479. The reversal of 213551135033411 is 114330531155312.

It is not a de Polignac number, because 213551135033411 - 2² = 213551135033407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213551135035411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1661734691 + ... + 1661863196.

It is an arithmetic number, because the mean of its divisors is an integer number (15594321290496).

Almost surely, 2^{213551135033411} is an apocalyptic number.

213551135033411 is a deficient number, since it is larger than the sum of its proper divisors (35958005614525).

213551135033411 is a wasteful number, since it uses less digits than its factorization.

213551135033411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323598098.

The product of its (nonzero) digits is 81000, while the sum is 38.

Adding to 213551135033411 its reverse (114330531155312), we get a palindrome (327881666188723).

The spelling of 213551135033411 in words is "two hundred thirteen trillion, five hundred fifty-one billion, one hundred thirty-five million, thirty-three thousand, four hundred eleven".