2154052113143 has 12 divisors (see below), whose sum is σ = 2506826997000. Its totient is φ = 1845525083472.

The previous prime is 2154052113139. The next prime is 2154052113163. The reversal of 2154052113143 is 3413112504512.

It is not a de Polignac number, because 2154052113143 - 2² = 2154052113139 is a prime.

It is a super-2 number, since 2×2154052113143² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154052113163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9473393 + ... + 9698106.

It is an arithmetic number, because the mean of its divisors is an integer number (208902249750).

Almost surely, 2^{2154052113143} is an apocalyptic number.

2154052113143 is a deficient number, since it is larger than the sum of its proper divisors (352774883857).

2154052113143 is a wasteful number, since it uses less digits than its factorization.

2154052113143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19173806 (or 19173799 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 2154052113143 its reverse (3413112504512), we get a palindrome (5567164617655).

The spelling of 2154052113143 in words is "two trillion, one hundred fifty-four billion, fifty-two million, one hundred thirteen thousand, one hundred forty-three".