15231042355 has 4 divisors (see below), whose sum is σ = 18277250832. Its totient is φ = 12184833880.

The previous prime is 15231042349. The next prime is 15231042377. The reversal of 15231042355 is 55324013251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55324013251 = 13 ⋅4255693327.

It is not a de Polignac number, because 15231042355 - 2³ = 15231042347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523104231 + ... + 1523104240.

It is an arithmetic number, because the mean of its divisors is an integer number (4569312708).

Almost surely, 2^15231042355 is an apocalyptic number.

15231042355 is a deficient number, since it is larger than the sum of its proper divisors (3046208477).

15231042355 is an equidigital number, since it uses as much as digits as its factorization.

15231042355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046208476.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 15231042355 in words is "fifteen billion, two hundred thirty-one million, forty-two thousand, three hundred fifty-five".