15135312525342 has 64 divisors (see below), whose sum is σ = 30756702412800. Its totient is φ = 4964546545920.

The previous prime is 15135312525341. The next prime is 15135312525343. The reversal of 15135312525342 is 24352521353151.

It is an interprime number because it is at equal distance from previous prime (15135312525341) and next prime (15135312525343).

It is a junction number, because it is equal to n+sod(n) for n = 15135312525294 and 15135312525303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15135312525341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180913842 + ... + 180997482.

It is an arithmetic number, because the mean of its divisors is an integer number (480573475200).

Almost surely, 2^{15135312525342} is an apocalyptic number.

15135312525342 is an abundant number, since it is smaller than the sum of its proper divisors (15621389887458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15135312525342 is a wasteful number, since it uses less digits than its factorization.

15135312525342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85001.

The product of its digits is 540000, while the sum is 42.

Adding to 15135312525342 its reverse (24352521353151), we get a palindrome (39487833878493).

The spelling of 15135312525342 in words is "fifteen trillion, one hundred thirty-five billion, three hundred twelve million, five hundred twenty-five thousand, three hundred forty-two".