1244351103999 has 16 divisors (see below), whose sum is σ = 1734581421312. Its totient is φ = 791982024768.

The previous prime is 1244351103917. The next prime is 1244351104021. The reversal of 1244351103999 is 9993011534421.

It is not a de Polignac number, because 1244351103999 - 2⁷ = 1244351103871 is a prime.

It is a super-2 number, since 2×1244351103999² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244351103599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17204902 + ... + 17277075.

It is an arithmetic number, because the mean of its divisors is an integer number (108411338832).

Almost surely, 2^{1244351103999} is an apocalyptic number.

1244351103999 is a deficient number, since it is larger than the sum of its proper divisors (490230317313).

1244351103999 is a wasteful number, since it uses less digits than its factorization.

1244351103999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34482526.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 1244351103999 in words is "one trillion, two hundred forty-four billion, three hundred fifty-one million, one hundred three thousand, nine hundred ninety-nine".