2154034511 has 4 divisors (see below), whose sum is σ = 2154407400. Its totient is φ = 2153661624.

The previous prime is 2154034469. The next prime is 2154034517. The reversal of 2154034511 is 1154304512.

2154034511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2154034511 - 2¹⁰ = 2154033487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154034517) 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, 177641 + ... + 189378.

It is an arithmetic number, because the mean of its divisors is an integer number (538601850).

Almost surely, 2^2154034511 is an apocalyptic number.

2154034511 is a deficient number, since it is larger than the sum of its proper divisors (372889).

2154034511 is an equidigital number, since it uses as much as digits as its factorization.

2154034511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372888.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2154034511 is about 46411.5773379876. The cubic root of 2154034511 is about 1291.4696930542.

The spelling of 2154034511 in words is "two billion, one hundred fifty-four million, thirty-four thousand, five hundred eleven".