12554051505155 has 8 divisors (see below), whose sum is σ = 15214018854384. Its totient is φ = 9943803172000.

The previous prime is 12554051505109. The next prime is 12554051505187. The reversal of 12554051505155 is 55150515045521.

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

It is not a de Polignac number, because 12554051505155 - 2¹⁶ = 12554051439619 is a prime.

It is a Duffinian 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, 12429753461 + ... + 12429754470.

It is an arithmetic number, because the mean of its divisors is an integer number (1901752356798).

Almost surely, 2^{12554051505155} is an apocalyptic number.

12554051505155 is a deficient number, since it is larger than the sum of its proper divisors (2659967349229).

12554051505155 is a wasteful number, since it uses less digits than its factorization.

12554051505155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24859508037.

The product of its (nonzero) digits is 625000, while the sum is 44.

The spelling of 12554051505155 in words is "twelve trillion, five hundred fifty-four billion, fifty-one million, five hundred five thousand, one hundred fifty-five".