13250550155 has 4 divisors (see below), whose sum is σ = 15900660192. Its totient is φ = 10600440120.

The previous prime is 13250550151. The next prime is 13250550241. The reversal of 13250550155 is 55105505231.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13250550155 - 2² = 13250550151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13250550151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325055011 + ... + 1325055020.

It is an arithmetic number, because the mean of its divisors is an integer number (3975165048).

Almost surely, 2^13250550155 is an apocalyptic number.

13250550155 is a deficient number, since it is larger than the sum of its proper divisors (2650110037).

13250550155 is an equidigital number, since it uses as much as digits as its factorization.

13250550155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650110036.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 13250550155 in words is "thirteen billion, two hundred fifty million, five hundred fifty thousand, one hundred fifty-five".