5401252240543 has 8 divisors (see below), whose sum is σ = 5424217698240. Its totient is φ = 5378291358720.

The previous prime is 5401252240507. The next prime is 5401252240591. The reversal of 5401252240543 is 3450422521045.

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 5401252240543 - 2¹⁷ = 5401252109471 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 (5401252220543) 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, 1232271 + ... + 3510127.

It is an arithmetic number, because the mean of its divisors is an integer number (678027212280).

Almost surely, 2^{5401252240543} is an apocalyptic number.

5401252240543 is a deficient number, since it is larger than the sum of its proper divisors (22965457697).

5401252240543 is a wasteful number, since it uses less digits than its factorization.

5401252240543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287937.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 5401252240543 its reverse (3450422521045), we get a palindrome (8851674761588).

The spelling of 5401252240543 in words is "five trillion, four hundred one billion, two hundred fifty-two million, two hundred forty thousand, five hundred forty-three".