40121240321311 has 8 divisors (see below), whose sum is σ = 40153224704000. Its totient is φ = 40089256902360.

The previous prime is 40121240321299. The next prime is 40121240321347. The reversal of 40121240321311 is 11312304212104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40121240321311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40121240328311) 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, 99431476 + ... + 99834166.

It is an arithmetic number, because the mean of its divisors is an integer number (5019153088000).

Almost surely, 2^{40121240321311} is an apocalyptic number.

40121240321311 is a deficient number, since it is larger than the sum of its proper divisors (31984382689).

40121240321311 is a wasteful number, since it uses less digits than its factorization.

40121240321311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481869.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 40121240321311 its reverse (11312304212104), we get a palindrome (51433544533415).

The spelling of 40121240321311 in words is "forty trillion, one hundred twenty-one billion, two hundred forty million, three hundred twenty-one thousand, three hundred eleven".