15552143543 has 8 divisors (see below), whose sum is σ = 15674380656. Its totient is φ = 15429960000.

The previous prime is 15552143539. The next prime is 15552143567. The reversal of 15552143543 is 34534125551.

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 15552143543 - 2² = 15552143539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15552143497 and 15552143506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15552143533) 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, 730043 + ... + 751043.

It is an arithmetic number, because the mean of its divisors is an integer number (1959297582).

Almost surely, 2^15552143543 is an apocalyptic number.

15552143543 is a deficient number, since it is larger than the sum of its proper divisors (122237113).

15552143543 is a wasteful number, since it uses less digits than its factorization.

15552143543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26785.

The product of its digits is 180000, while the sum is 38.

The spelling of 15552143543 in words is "fifteen billion, five hundred fifty-two million, one hundred forty-three thousand, five hundred forty-three".