13453531155 has 24 divisors (see below), whose sum is σ = 23324028000. Its totient is φ = 7173809280.

The previous prime is 13453531127. The next prime is 13453531207. The reversal of 13453531155 is 55113535431.

13453531155 is a `hidden beast` number, since 1 + 3 + 4 + 535 + 3 + 115 + 5 = 666.

It is not a de Polignac number, because 13453531155 - 2⁸ = 13453530899 is a prime.

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, 227346 + ... + 280344.

It is an arithmetic number, because the mean of its divisors is an integer number (971834500).

Almost surely, 2^13453531155 is an apocalyptic number.

13453531155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13453531155 is a deficient number, since it is larger than the sum of its proper divisors (9870496845).

13453531155 is a wasteful number, since it uses less digits than its factorization.

13453531155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58651 (or 58648 counting only the distinct ones).

The product of its digits is 67500, while the sum is 36.

The spelling of 13453531155 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-one thousand, one hundred fifty-five".