545231254551 has 8 divisors (see below), whose sum is σ = 730741716720. Its totient is φ = 361604147712.

The previous prime is 545231254543. The next prime is 545231254613. The reversal of 545231254551 is 155452132545.

It is a happy number.

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

It is not a de Polignac number, because 545231254551 - 2³ = 545231254543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545231254511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470838156 + ... + 470839313.

It is an arithmetic number, because the mean of its divisors is an integer number (91342714590).

Almost surely, 2^545231254551 is an apocalyptic number.

545231254551 is a deficient number, since it is larger than the sum of its proper divisors (185510462169).

545231254551 is a wasteful number, since it uses less digits than its factorization.

545231254551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941677665.

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

The spelling of 545231254551 in words is "five hundred forty-five billion, two hundred thirty-one million, two hundred fifty-four thousand, five hundred fifty-one".