2153551211 has 8 divisors (see below), whose sum is σ = 2605978080. Its totient is φ = 1737318528.

The previous prime is 2153551201. The next prime is 2153551243. The reversal of 2153551211 is 1121553512.

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

It is a cyclic number.

It is not a de Polignac number, because 2153551211 - 2¹⁰ = 2153550187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153551201) 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, 9048416 + ... + 9048653.

It is an arithmetic number, because the mean of its divisors is an integer number (325747260).

Almost surely, 2^2153551211 is an apocalyptic number.

2153551211 is a deficient number, since it is larger than the sum of its proper divisors (452426869).

2153551211 is a wasteful number, since it uses less digits than its factorization.

2153551211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18097093.

The product of its digits is 1500, while the sum is 26.

The square root of 2153551211 is about 46406.3703708877. The cubic root of 2153551211 is about 1291.3730969556.

The spelling of 2153551211 in words is "two billion, one hundred fifty-three million, five hundred fifty-one thousand, two hundred eleven".