13545123155 has 8 divisors (see below), whose sum is σ = 16436779200. Its totient is φ = 10714344256.

The previous prime is 13545123121. The next prime is 13545123173. The reversal of 13545123155 is 55132154531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13545123155 is a prime.

It is a super-2 number, since 2×13545123155² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15218795 + ... + 15219684.

It is an arithmetic number, because the mean of its divisors is an integer number (2054597400).

Almost surely, 2^13545123155 is an apocalyptic number.

13545123155 is a deficient number, since it is larger than the sum of its proper divisors (2891656045).

13545123155 is an equidigital number, since it uses as much as digits as its factorization.

13545123155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30438573.

The product of its digits is 45000, while the sum is 35.

Adding to 13545123155 its reverse (55132154531), we get a palindrome (68677277686).

The spelling of 13545123155 in words is "thirteen billion, five hundred forty-five million, one hundred twenty-three thousand, one hundred fifty-five".