1141153555 has 8 divisors (see below), whose sum is σ = 1413558144. Its totient is φ = 883473600.

The previous prime is 1141153553. The next prime is 1141153597. The reversal of 1141153555 is 5553511411.

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 1141153555 - 2¹ = 1141153553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141153553) 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, 3680986 + ... + 3681295.

It is an arithmetic number, because the mean of its divisors is an integer number (176694768).

Almost surely, 2^1141153555 is an apocalyptic number.

1141153555 is a deficient number, since it is larger than the sum of its proper divisors (272404589).

1141153555 is an equidigital number, since it uses as much as digits as its factorization.

1141153555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7362317.

The product of its digits is 7500, while the sum is 31.

The square root of 1141153555 is about 33780.9643882468. The cubic root of 1141153555 is about 1044.9961630774.

Adding to 1141153555 its reverse (5553511411), we get a palindrome (6694664966).

The spelling of 1141153555 in words is "one billion, one hundred forty-one million, one hundred fifty-three thousand, five hundred fifty-five".