1131363411 has 16 divisors (see below), whose sum is σ = 1544754816. Its totient is φ = 736134336.

The previous prime is 1131363391. The next prime is 1131363427. The reversal of 1131363411 is 1143631311.

It is not a de Polignac number, because 1131363411 - 2¹⁴ = 1131347027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131363511) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 223636 + ... + 228638.

It is an arithmetic number, because the mean of its divisors is an integer number (96547176).

Almost surely, 2^1131363411 is an apocalyptic number.

1131363411 is a deficient number, since it is larger than the sum of its proper divisors (413391405).

1131363411 is a wasteful number, since it uses less digits than its factorization.

1131363411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802.

The product of its digits is 648, while the sum is 24.

The square root of 1131363411 is about 33635.7460300794. The cubic root of 1131363411 is about 1041.9991781510. Note that the first 3 decimals are identical.

Adding to 1131363411 its reverse (1143631311), we get a palindrome (2274994722).

The spelling of 1131363411 in words is "one billion, one hundred thirty-one million, three hundred sixty-three thousand, four hundred eleven".