1131501230205 has 8 divisors (see below), whose sum is σ = 1810401968352. Its totient is φ = 603467322768.

The previous prime is 1131501230191. The next prime is 1131501230263. The reversal of 1131501230205 is 5020321051311.

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

It is not a de Polignac number, because 1131501230205 - 2¹⁷ = 1131501099133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37716707659 + ... + 37716707688.

It is an arithmetic number, because the mean of its divisors is an integer number (226300246044).

Almost surely, 2^{1131501230205} is an apocalyptic number.

1131501230205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1131501230205 is a deficient number, since it is larger than the sum of its proper divisors (678900738147).

1131501230205 is an equidigital number, since it uses as much as digits as its factorization.

1131501230205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75433415355.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 1131501230205 its reverse (5020321051311), we get a palindrome (6151822281516).

The spelling of 1131501230205 in words is "one trillion, one hundred thirty-one billion, five hundred one million, two hundred thirty thousand, two hundred five".