1141555173 has 8 divisors (see below), whose sum is σ = 1660443936. Its totient is φ = 691851600.

The previous prime is 1141555141. The next prime is 1141555183. The reversal of 1141555173 is 3715551411.

1141555173 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1141555173 - 2⁵ = 1141555141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 34592581 = 1141555173 / (1 + 1 + 4 + 1 + 5 + 5 + 5 + 1 + 7 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141555183) 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, 17296258 + ... + 17296323.

It is an arithmetic number, because the mean of its divisors is an integer number (207555492).

Almost surely, 2^1141555173 is an apocalyptic number.

It is an amenable number.

1141555173 is a deficient number, since it is larger than the sum of its proper divisors (518888763).

1141555173 is a wasteful number, since it uses less digits than its factorization.

1141555173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34592595.

The product of its digits is 10500, while the sum is 33.

The square root of 1141555173 is about 33786.9083078047. The cubic root of 1141555173 is about 1045.1187408093.

The spelling of 1141555173 in words is "one billion, one hundred forty-one million, five hundred fifty-five thousand, one hundred seventy-three".