5541845123 has 4 divisors (see below), whose sum is σ = 5562295008. Its totient is φ = 5521395240.

The previous prime is 5541845087. The next prime is 5541845129. The reversal of 5541845123 is 3215481455.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5541845123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5541845129) 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, 10224536 + ... + 10225077.

It is an arithmetic number, because the mean of its divisors is an integer number (1390573752).

Almost surely, 2^5541845123 is an apocalyptic number.

5541845123 is a deficient number, since it is larger than the sum of its proper divisors (20449885).

5541845123 is a wasteful number, since it uses less digits than its factorization.

5541845123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20449884.

The product of its digits is 96000, while the sum is 38.

The square root of 5541845123 is about 74443.5700581320. The cubic root of 5541845123 is about 1769.6394642686.

The spelling of 5541845123 in words is "five billion, five hundred forty-one million, eight hundred forty-five thousand, one hundred twenty-three".