15505115225234 has 16 divisors (see below), whose sum is σ = 23753234026368. Its totient is φ = 7587380509392.

The previous prime is 15505115225207. The next prime is 15505115225309. The reversal of 15505115225234 is 43252251150551.

It is a junction number, because it is equal to n+sod(n) for n = 15505115225191 and 15505115225200.

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, 661412 + ... + 5607824.

It is an arithmetic number, because the mean of its divisors is an integer number (1484577126648).

Almost surely, 2^{15505115225234} is an apocalyptic number.

15505115225234 is a deficient number, since it is larger than the sum of its proper divisors (8248118801134).

15505115225234 is a wasteful number, since it uses less digits than its factorization.

15505115225234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4979809.

The product of its (nonzero) digits is 300000, while the sum is 41.

Adding to 15505115225234 its reverse (43252251150551), we get a palindrome (58757366375785).

The spelling of 15505115225234 in words is "fifteen trillion, five hundred five billion, one hundred fifteen million, two hundred twenty-five thousand, two hundred thirty-four".