240321540113555 has 4 divisors (see below), whose sum is σ = 288385848136272. Its totient is φ = 192257232090840.

The previous prime is 240321540113549. The next prime is 240321540113561. The reversal of 240321540113555 is 555311045123042.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (240321540113549) and next prime (240321540113561).

It is not a de Polignac number, because 240321540113555 - 2³⁰ = 240320466371731 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24032154011351 + ... + 24032154011360.

It is an arithmetic number, because the mean of its divisors is an integer number (72096462034068).

Almost surely, 2^{240321540113555} is an apocalyptic number.

240321540113555 is a deficient number, since it is larger than the sum of its proper divisors (48064308022717).

240321540113555 is an equidigital number, since it uses as much as digits as its factorization.

240321540113555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48064308022716.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 240321540113555 its reverse (555311045123042), we get a palindrome (795632585236597).

The spelling of 240321540113555 in words is "two hundred forty trillion, three hundred twenty-one billion, five hundred forty million, one hundred thirteen thousand, five hundred fifty-five".