13525045222155 has 16 divisors (see below), whose sum is σ = 21648562048800. Its totient is φ = 7210527554048.

The previous prime is 13525045222151. The next prime is 13525045222193. The reversal of 13525045222155 is 55122254052531.

It is a cyclic number.

It is not a de Polignac number, because 13525045222155 - 2² = 13525045222151 is a prime.

It is a super-2 number, since 2×13525045222155² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13525045222151) 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, 176829102 + ... + 176905571.

It is an arithmetic number, because the mean of its divisors is an integer number (1353035128050).

Almost surely, 2^{13525045222155} is an apocalyptic number.

13525045222155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13525045222155 is a deficient number, since it is larger than the sum of its proper divisors (8123516826645).

13525045222155 is a wasteful number, since it uses less digits than its factorization.

13525045222155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353737230.

The product of its (nonzero) digits is 600000, while the sum is 42.

Adding to 13525045222155 its reverse (55122254052531), we get a palindrome (68647299274686).

The spelling of 13525045222155 in words is "thirteen trillion, five hundred twenty-five billion, forty-five million, two hundred twenty-two thousand, one hundred fifty-five".