15155420543 has 8 divisors (see below), whose sum is σ = 15482134800. Its totient is φ = 14830216128.

The previous prime is 15155420519. The next prime is 15155420549. The reversal of 15155420543 is 34502455151.

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 15155420543 - 2²² = 15151226239 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 (15155420549) 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, 357158 + ... + 397331.

It is an arithmetic number, because the mean of its divisors is an integer number (1935266850).

Almost surely, 2^15155420543 is an apocalyptic number.

15155420543 is a deficient number, since it is larger than the sum of its proper divisors (326714257).

15155420543 is an equidigital number, since it uses as much as digits as its factorization.

15155420543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754921.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 15155420543 its reverse (34502455151), we get a palindrome (49657875694).

The spelling of 15155420543 in words is "fifteen billion, one hundred fifty-five million, four hundred twenty thousand, five hundred forty-three".