2154433111412 has 24 divisors (see below), whose sum is σ = 3935968403136. Its totient is φ = 1029913239168.

The previous prime is 2154433111403. The next prime is 2154433111421. The reversal of 2154433111412 is 2141113344512.

It is an interprime number because it is at equal distance from previous prime (2154433111403) and next prime (2154433111421).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5112293 + ... + 5517644.

It is an arithmetic number, because the mean of its divisors is an integer number (163998683464).

Almost surely, 2^{2154433111412} is an apocalyptic number.

It is an amenable number.

2154433111412 is a deficient number, since it is larger than the sum of its proper divisors (1781535291724).

2154433111412 is a wasteful number, since it uses less digits than its factorization.

2154433111412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10632167 (or 10632165 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

Adding to 2154433111412 its reverse (2141113344512), we get a palindrome (4295546455924).

The spelling of 2154433111412 in words is "two trillion, one hundred fifty-four billion, four hundred thirty-three million, one hundred eleven thousand, four hundred twelve".