545255015155 has 4 divisors (see below), whose sum is σ = 654306018192. Its totient is φ = 436204012120.

The previous prime is 545255015153. The next prime is 545255015161. The reversal of 545255015155 is 551510552545.

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

It is not a de Polignac number, because 545255015155 - 2¹ = 545255015153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545255015153) 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, 54525501511 + ... + 54525501520.

It is an arithmetic number, because the mean of its divisors is an integer number (163576504548).

Almost surely, 2^545255015155 is an apocalyptic number.

545255015155 is a deficient number, since it is larger than the sum of its proper divisors (109051003037).

545255015155 is a wasteful number, since it uses less digits than its factorization.

545255015155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109051003036.

The product of its (nonzero) digits is 625000, while the sum is 43.

The spelling of 545255015155 in words is "five hundred forty-five billion, two hundred fifty-five million, fifteen thousand, one hundred fifty-five".