13154621556051 has 24 divisors (see below), whose sum is σ = 20135203339680. Its totient is φ = 8247164142336.

The previous prime is 13154621556029. The next prime is 13154621556053. The reversal of 13154621556051 is 15065512645131.

13154621556051 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 46 + 2 + 1 + 556 + 0 + 51 = 666.

It is not a de Polignac number, because 13154621556051 - 2⁹ = 13154621555539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13154621555988 and 13154621556006.

It is not an unprimeable number, because it can be changed into a prime (13154621556053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34790775 + ... + 35166848.

It is an arithmetic number, because the mean of its divisors is an integer number (838966805820).

Almost surely, 2^{13154621556051} is an apocalyptic number.

13154621556051 is a deficient number, since it is larger than the sum of its proper divisors (6980581783629).

13154621556051 is a wasteful number, since it uses less digits than its factorization.

13154621556051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69958875 (or 69958872 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The spelling of 13154621556051 in words is "thirteen trillion, one hundred fifty-four billion, six hundred twenty-one million, five hundred fifty-six thousand, fifty-one".