13156065054 has 48 divisors (see below), whose sum is σ = 31105816560. Its totient is φ = 3985447680.

The previous prime is 13156065049. The next prime is 13156065071. The reversal of 13156065054 is 45056065131.

13156065054 is a `hidden beast` number, since 1 + 31 + 560 + 65 + 0 + 5 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 781494 + ... + 798150.

It is an arithmetic number, because the mean of its divisors is an integer number (648037845).

Almost surely, 2^13156065054 is an apocalyptic number.

13156065054 is an abundant number, since it is smaller than the sum of its proper divisors (17949751506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13156065054 is a wasteful number, since it uses less digits than its factorization.

13156065054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20665 (or 20662 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

It can be divided in two parts, 1315 and 6065054, that added together give a square (6066369 = 2463²).

The spelling of 13156065054 in words is "thirteen billion, one hundred fifty-six million, sixty-five thousand, fifty-four".