13155256220316 has 48 divisors (see below), whose sum is σ = 35474848254720. Its totient is φ = 3716412670080.

The previous prime is 13155256220279. The next prime is 13155256220317. The reversal of 13155256220316 is 61302265255131.

It is a super-2 number, since 2×13155256220316² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155256220317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879825070 + ... + 879840021.

It is an arithmetic number, because the mean of its divisors is an integer number (739059338640).

Almost surely, 2^{13155256220316} is an apocalyptic number.

It is an amenable number.

13155256220316 is an abundant number, since it is smaller than the sum of its proper divisors (22319592034404).

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

13155256220316 is a wasteful number, since it uses less digits than its factorization.

13155256220316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759665194 (or 1759665192 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 13155256220316 in words is "thirteen trillion, one hundred fifty-five billion, two hundred fifty-six million, two hundred twenty thousand, three hundred sixteen".