1311242411124 has 72 divisors (see below), whose sum is σ = 3429064122120. Its totient is φ = 421979443200.

The previous prime is 1311242411117. The next prime is 1311242411147. The reversal of 1311242411124 is 4211142421131.

1311242411124 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 242 + 411 + 1 + 2 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 567822531600 + 743419879524 = 753540^2 + 862218^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18632644 + ... + 18702884.

It is an arithmetic number, because the mean of its divisors is an integer number (47625890585).

Almost surely, 2^{1311242411124} is an apocalyptic number.

It is an amenable number.

1311242411124 is an abundant number, since it is smaller than the sum of its proper divisors (2117821710996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311242411124 is a wasteful number, since it uses less digits than its factorization.

1311242411124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88161 (or 88156 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

Adding to 1311242411124 its reverse (4211142421131), we get a palindrome (5522384832255).

The spelling of 1311242411124 in words is "one trillion, three hundred eleven billion, two hundred forty-two million, four hundred eleven thousand, one hundred twenty-four".