1141285999 has 6 divisors (see below), whose sum is σ = 1327618464. Its totient is φ = 978245100.

The previous prime is 1141285993. The next prime is 1141286009. The reversal of 1141285999 is 9995821411.

It is not a de Polignac number, because 1141285999 - 2³ = 1141285991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 23291551 = 1141285999 / (1 + 1 + 4 + 1 + 2 + 8 + 5 + 9 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141285991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11645727 + ... + 11645824.

It is an arithmetic number, because the mean of its divisors is an integer number (221269744).

Almost surely, 2^1141285999 is an apocalyptic number.

1141285999 is a deficient number, since it is larger than the sum of its proper divisors (186332465).

1141285999 is an equidigital number, since it uses as much as digits as its factorization.

1141285999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23291565 (or 23291558 counting only the distinct ones).

The product of its digits is 233280, while the sum is 49.

The square root of 1141285999 is about 33782.9246661683. The cubic root of 1141285999 is about 1045.0365894562.

The spelling of 1141285999 in words is "one billion, one hundred forty-one million, two hundred eighty-five thousand, nine hundred ninety-nine".