1045551227773 has 8 divisors (see below), whose sum is σ = 1126999093248. Its totient is φ = 964249197744.

The previous prime is 1045551227723. The next prime is 1045551227837. The reversal of 1045551227773 is 3777221555401.

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

It is a cyclic number.

It is not a de Polignac number, because 1045551227773 - 2²⁵ = 1045517673341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045551227723) 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, 36443965 + ... + 36472642.

It is an arithmetic number, because the mean of its divisors is an integer number (140874886656).

Almost surely, 2^{1045551227773} is an apocalyptic number.

1045551227773 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1045551227773 is a deficient number, since it is larger than the sum of its proper divisors (81447865475).

1045551227773 is a wasteful number, since it uses less digits than its factorization.

1045551227773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72917723.

The product of its (nonzero) digits is 2058000, while the sum is 49.

The spelling of 1045551227773 in words is "one trillion, forty-five billion, five hundred fifty-one million, two hundred twenty-seven thousand, seven hundred seventy-three".