15115323535442 has 16 divisors (see below), whose sum is σ = 24420860503872. Its totient is φ = 6975217625040.

The previous prime is 15115323535409. The next prime is 15115323535483. The reversal of 15115323535442 is 24453532351151.

It is a junction number, because it is equal to n+sod(n) for n = 15115323535393 and 15115323535402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45060734 + ... + 45394937.

It is an arithmetic number, because the mean of its divisors is an integer number (1526303781492).

Almost surely, 2^{15115323535442} is an apocalyptic number.

15115323535442 is a deficient number, since it is larger than the sum of its proper divisors (9305536968430).

15115323535442 is a wasteful number, since it uses less digits than its factorization.

15115323535442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90462113.

The product of its digits is 1080000, while the sum is 44.

Adding to 15115323535442 its reverse (24453532351151), we get a palindrome (39568855886593).

The spelling of 15115323535442 in words is "fifteen trillion, one hundred fifteen billion, three hundred twenty-three million, five hundred thirty-five thousand, four hundred forty-two".