1331124412011 has 8 divisors (see below), whose sum is σ = 1774840823184. Its totient is φ = 887412137760.

The previous prime is 1331124411977. The next prime is 1331124412019. The reversal of 1331124412011 is 1102144211331.

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

It is a de Polignac number, because none of the positive numbers 2^k-1331124412011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331124412019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183460 + ... + 1641921.

It is an arithmetic number, because the mean of its divisors is an integer number (221855102898).

Almost surely, 2^{1331124412011} is an apocalyptic number.

1331124412011 is a deficient number, since it is larger than the sum of its proper divisors (443716411173).

1331124412011 is a wasteful number, since it uses less digits than its factorization.

1331124412011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068461.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1331124412011 its reverse (1102144211331), we get a palindrome (2433268623342).

The spelling of 1331124412011 in words is "one trillion, three hundred thirty-one billion, one hundred twenty-four million, four hundred twelve thousand, eleven".