13154251315021 has 16 divisors (see below), whose sum is σ = 13404527539200. Its totient is φ = 12904898127408.

The previous prime is 13154251314977. The next prime is 13154251315031. The reversal of 13154251315021 is 12051315245131.

It is a cyclic number.

It is not a de Polignac number, because 13154251315021 - 2¹⁵ = 13154251282253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13154251315031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129728140 + ... + 129829498.

It is an arithmetic number, because the mean of its divisors is an integer number (837782971200).

Almost surely, 2^{13154251315021} is an apocalyptic number.

It is an amenable number.

13154251315021 is a deficient number, since it is larger than the sum of its proper divisors (250276224179).

13154251315021 is a wasteful number, since it uses less digits than its factorization.

13154251315021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105888.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 13154251315021 in words is "thirteen trillion, one hundred fifty-four billion, two hundred fifty-one million, three hundred fifteen thousand, twenty-one".