2154433111411 has 16 divisors (see below), whose sum is σ = 2487690281664. Its totient is φ = 1827594768384.

The previous prime is 2154433111403. The next prime is 2154433111421. The reversal of 2154433111411 is 1141113344512.

It is not a de Polignac number, because 2154433111411 - 2³ = 2154433111403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2154433111421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1491196 + ... + 2555881.

It is an arithmetic number, because the mean of its divisors is an integer number (155480642604).

Almost surely, 2^{2154433111411} is an apocalyptic number.

2154433111411 is a deficient number, since it is larger than the sum of its proper divisors (333257170253).

2154433111411 is a wasteful number, since it uses less digits than its factorization.

2154433111411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047870.

The product of its digits is 5760, while the sum is 31.

Adding to 2154433111411 its reverse (1141113344512), we get a palindrome (3295546455923).

The spelling of 2154433111411 in words is "two trillion, one hundred fifty-four billion, four hundred thirty-three million, one hundred eleven thousand, four hundred eleven".