1131211415 has 8 divisors (see below), whose sum is σ = 1416473568. Its totient is φ = 865622560.

The previous prime is 1131211373. The next prime is 1131211441. The reversal of 1131211415 is 5141121311.

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

It is not a de Polignac number, because 1131211415 - 2¹⁴ = 1131195031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4918196 + ... + 4918425.

It is an arithmetic number, because the mean of its divisors is an integer number (177059196).

Almost surely, 2^1131211415 is an apocalyptic number.

1131211415 is a deficient number, since it is larger than the sum of its proper divisors (285262153).

1131211415 is an equidigital number, since it uses as much as digits as its factorization.

1131211415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9836649.

The product of its digits is 120, while the sum is 20.

The square root of 1131211415 is about 33633.4865127004. The cubic root of 1131211415 is about 1041.9525126856.

Adding to 1131211415 its reverse (5141121311), we get a palindrome (6272332726).

The spelling of 1131211415 in words is "one billion, one hundred thirty-one million, two hundred eleven thousand, four hundred fifteen".