1131340511215 has 8 divisors (see below), whose sum is σ = 1362030793200. Its totient is φ = 902124289152.

The previous prime is 1131340511179. The next prime is 1131340511239. The reversal of 1131340511215 is 5121150431311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1131340511215 - 2¹³ = 1131340503023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368513290 + ... + 368516359.

It is an arithmetic number, because the mean of its divisors is an integer number (170253849150).

Almost surely, 2^{1131340511215} is an apocalyptic number.

1131340511215 is a deficient number, since it is larger than the sum of its proper divisors (230690281985).

1131340511215 is an equidigital number, since it uses as much as digits as its factorization.

1131340511215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737029961.

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 1131340511215 its reverse (5121150431311), we get a palindrome (6252490942526).

The spelling of 1131340511215 in words is "one trillion, one hundred thirty-one billion, three hundred forty million, five hundred eleven thousand, two hundred fifteen".