1311110122240 has 72 divisors (see below), whose sum is σ = 3141428775408. Its totient is φ = 524292034560.

The previous prime is 1311110122237. The next prime is 1311110122249. The reversal of 1311110122240 is 422210111131.

It is not an unprimeable number, because it can be changed into a prime (1311110122249) 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, 4321774 + ... + 4615186.

It is an arithmetic number, because the mean of its divisors is an integer number (43630955214).

Almost surely, 2^{1311110122240} is an apocalyptic number.

1311110122240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311110122240 is an abundant number, since it is smaller than the sum of its proper divisors (1830318653168).

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

1311110122240 is an equidigital number, since it uses as much as digits as its factorization.

1311110122240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296925 (or 296911 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1311110122240 its reverse (422210111131), we get a palindrome (1733320233371).

The spelling of 1311110122240 in words is "one trillion, three hundred eleven billion, one hundred ten million, one hundred twenty-two thousand, two hundred forty".