1043845999881 has 16 divisors (see below), whose sum is σ = 1412612107008. Its totient is φ = 685489266000.

The previous prime is 1043845999843. The next prime is 1043845999883. The reversal of 1043845999881 is 1889995483401.

It is not a de Polignac number, because 1043845999881 - 2¹⁰ = 1043845998857 is a prime.

It is a super-2 number, since 2×1043845999881² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1043845999883) 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, 8649606 + ... + 8769456.

It is an arithmetic number, because the mean of its divisors is an integer number (88288256688).

Almost surely, 2^{1043845999881} is an apocalyptic number.

It is an amenable number.

1043845999881 is a deficient number, since it is larger than the sum of its proper divisors (368766107127).

1043845999881 is a wasteful number, since it uses less digits than its factorization.

1043845999881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163252.

The product of its (nonzero) digits is 89579520, while the sum is 69.

The spelling of 1043845999881 in words is "one trillion, forty-three billion, eight hundred forty-five million, nine hundred ninety-nine thousand, eight hundred eighty-one".