15121055104142 has 16 divisors (see below), whose sum is σ = 24427741384032. Its totient is φ = 6978542338080.

The previous prime is 15121055104081. The next prime is 15121055104213. The reversal of 15121055104142 is 24140155012151.

It is a junction number, because it is equal to n+sod(n) for n = 15121055104099 and 15121055104108.

It is a congruent number.

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, 16468253 + ... + 17362184.

It is an arithmetic number, because the mean of its divisors is an integer number (1526733836502).

Almost surely, 2^{15121055104142} is an apocalyptic number.

15121055104142 is a deficient number, since it is larger than the sum of its proper divisors (9306686279890).

15121055104142 is a wasteful number, since it uses less digits than its factorization.

15121055104142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33847643.

The product of its (nonzero) digits is 8000, while the sum is 32.

The spelling of 15121055104142 in words is "fifteen trillion, one hundred twenty-one billion, fifty-five million, one hundred four thousand, one hundred forty-two".