15242354315 has 4 divisors (see below), whose sum is σ = 18290825184. Its totient is φ = 12193883448.

The previous prime is 15242354273. The next prime is 15242354333. The reversal of 15242354315 is 51345324251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15242354315 - 2⁶ = 15242354251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524235427 + ... + 1524235436.

It is an arithmetic number, because the mean of its divisors is an integer number (4572706296).

Almost surely, 2^15242354315 is an apocalyptic number.

15242354315 is a deficient number, since it is larger than the sum of its proper divisors (3048470869).

15242354315 is an equidigital number, since it uses as much as digits as its factorization.

15242354315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048470868.

The product of its digits is 72000, while the sum is 35.

Adding to 15242354315 its reverse (51345324251), we get a palindrome (66587678566).

The spelling of 15242354315 in words is "fifteen billion, two hundred forty-two million, three hundred fifty-four thousand, three hundred fifteen".