15142112530 has 8 divisors (see below), whose sum is σ = 27255802572. Its totient is φ = 6056845008.

The previous prime is 15142112521. The next prime is 15142112539. The reversal of 15142112530 is 3521124151.

It is an interprime number because it is at equal distance from previous prime (15142112521) and next prime (15142112539).

It can be written as a sum of positive squares in 2 ways, for example, as 15022669489 + 119443041 = 122567^2 + 10929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 15142112495 and 15142112504.

It is not an unprimeable number, because it can be changed into a prime (15142112539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757105617 + ... + 757105636.

Almost surely, 2^15142112530 is an apocalyptic number.

15142112530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15142112530 is a deficient number, since it is larger than the sum of its proper divisors (12113690042).

15142112530 is a wasteful number, since it uses less digits than its factorization.

15142112530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514211260.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 15142112530 its reverse (3521124151), we get a palindrome (18663236681).

The spelling of 15142112530 in words is "fifteen billion, one hundred forty-two million, one hundred twelve thousand, five hundred thirty".