1240340233011 has 16 divisors (see below), whose sum is σ = 1811617281408. Its totient is φ = 748602172800.

The previous prime is 1240340233003. The next prime is 1240340233019. The reversal of 1240340233011 is 1103320430421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1240340233003) and next prime (1240340233019).

It is not a de Polignac number, because 1240340233011 - 2³ = 1240340233003 is a prime.

It is a super-2 number, since 2×1240340233011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1240340233019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77971441 + ... + 77987346.

It is an arithmetic number, because the mean of its divisors is an integer number (113226080088).

Almost surely, 2^{1240340233011} is an apocalyptic number.

1240340233011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1240340233011 is a deficient number, since it is larger than the sum of its proper divisors (571277048397).

1240340233011 is a wasteful number, since it uses less digits than its factorization.

1240340233011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155959042.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1240340233011 its reverse (1103320430421), we get a palindrome (2343660663432).

The spelling of 1240340233011 in words is "one trillion, two hundred forty billion, three hundred forty million, two hundred thirty-three thousand, eleven".