4055621311 has 4 divisors (see below), whose sum is σ = 4634995792. Its totient is φ = 3476246832.

The previous prime is 4055621309. The next prime is 4055621359. The reversal of 4055621311 is 1131265504.

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 4055621311 - 2¹ = 4055621309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4055621311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055621111) 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, 289687230 + ... + 289687243.

It is an arithmetic number, because the mean of its divisors is an integer number (1158748948).

Almost surely, 2^4055621311 is an apocalyptic number.

4055621311 is a deficient number, since it is larger than the sum of its proper divisors (579374481).

4055621311 is an equidigital number, since it uses as much as digits as its factorization.

4055621311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579374480.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 4055621311 is about 63683.7601826400. The cubic root of 4055621311 is about 1594.7249862087.

Adding to 4055621311 its reverse (1131265504), we get a palindrome (5186886815).

The spelling of 4055621311 in words is "four billion, fifty-five million, six hundred twenty-one thousand, three hundred eleven".