213427011511 has 8 divisors (see below), whose sum is σ = 243952556544. Its totient is φ = 182910459480.

The previous prime is 213427011481. The next prime is 213427011527. The reversal of 213427011511 is 115110724312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213427011511 - 2¹⁹ = 213426487223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213427011511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213427011911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2197315 + ... + 2292388.

It is an arithmetic number, because the mean of its divisors is an integer number (30494069568).

Almost surely, 2^213427011511 is an apocalyptic number.

213427011511 is a deficient number, since it is larger than the sum of its proper divisors (30525545033).

213427011511 is an equidigital number, since it uses as much as digits as its factorization.

213427011511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496501.

The product of its (nonzero) digits is 1680, while the sum is 28.

Adding to 213427011511 its reverse (115110724312), we get a palindrome (328537735823).

The spelling of 213427011511 in words is "two hundred thirteen billion, four hundred twenty-seven million, eleven thousand, five hundred eleven".