1240445012111 has 8 divisors (see below), whose sum is σ = 1242099608400. Its totient is φ = 1238791467520.

The previous prime is 1240445012029. The next prime is 1240445012117. The reversal of 1240445012111 is 1112105440421.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1240445012111 - 2¹⁰ = 1240445011087 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 (1240445012117) 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, 2111855 + ... + 2634543.

It is an arithmetic number, because the mean of its divisors is an integer number (155262451050).

Almost surely, 2^{1240445012111} is an apocalyptic number.

1240445012111 is a deficient number, since it is larger than the sum of its proper divisors (1654596289).

1240445012111 is a wasteful number, since it uses less digits than its factorization.

1240445012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525849.

The product of its (nonzero) digits is 1280, while the sum is 26.

The spelling of 1240445012111 in words is "one trillion, two hundred forty billion, four hundred forty-five million, twelve thousand, one hundred eleven".