1240332113555 has 8 divisors (see below), whose sum is σ = 1490875076544. Its totient is φ = 990614664000.

The previous prime is 1240332113533. The next prime is 1240332113569. The reversal of 1240332113555 is 5553112330421.

It is a happy number.

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

It is not a de Polignac number, because 1240332113555 - 2¹⁰ = 1240332112531 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206375051 + ... + 206381060.

It is an arithmetic number, because the mean of its divisors is an integer number (186359384568).

Almost surely, 2^{1240332113555} is an apocalyptic number.

1240332113555 is a deficient number, since it is larger than the sum of its proper divisors (250542962989).

1240332113555 is an equidigital number, since it uses as much as digits as its factorization.

1240332113555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412756717.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 1240332113555 its reverse (5553112330421), we get a palindrome (6793444443976).

The spelling of 1240332113555 in words is "one trillion, two hundred forty billion, three hundred thirty-two million, one hundred thirteen thousand, five hundred fifty-five".