213153556411 has 4 divisors (see below), whose sum is σ = 213156584752. Its totient is φ = 213150528072.

The previous prime is 213153556409. The next prime is 213153556433. The reversal of 213153556411 is 114655351312.

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

It is a cyclic number.

It is not a de Polignac number, because 213153556411 - 2¹ = 213153556409 is a prime.

It is a super-2 number, since 2×213153556411² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213153556711) 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, 1406016 + ... + 1550221.

It is an arithmetic number, because the mean of its divisors is an integer number (53289146188).

Almost surely, 2^213153556411 is an apocalyptic number.

213153556411 is a deficient number, since it is larger than the sum of its proper divisors (3028341).

213153556411 is an equidigital number, since it uses as much as digits as its factorization.

213153556411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028340.

The product of its digits is 54000, while the sum is 37.

The spelling of 213153556411 in words is "two hundred thirteen billion, one hundred fifty-three million, five hundred fifty-six thousand, four hundred eleven".