1148331306443 has 16 divisors (see below), whose sum is σ = 1225367473824. Its totient is φ = 1072357171200.

The previous prime is 1148331306433. The next prime is 1148331306547. The reversal of 1148331306443 is 3446031338411.

It is not a de Polignac number, because 1148331306443 - 2⁴ = 1148331306427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1148331306443.

It is not an unprimeable number, because it can be changed into a prime (1148331306403) 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, 4575368 + ... + 4819818.

It is an arithmetic number, because the mean of its divisors is an integer number (76585467114).

Almost surely, 2^{1148331306443} is an apocalyptic number.

1148331306443 is a deficient number, since it is larger than the sum of its proper divisors (77036167381).

1148331306443 is a wasteful number, since it uses less digits than its factorization.

1148331306443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246622.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 1148331306443 in words is "one trillion, one hundred forty-eight billion, three hundred thirty-one million, three hundred six thousand, four hundred forty-three".