1148331306444 has 24 divisors (see below), whose sum is σ = 3062216817408. Its totient is φ = 328094658960.

The previous prime is 1148331306433. The next prime is 1148331306547. The reversal of 1148331306444 is 4446031338411.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1148331306396 and 1148331306405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6835305312 + ... + 6835305479.

It is an arithmetic number, because the mean of its divisors is an integer number (127592367392).

Almost surely, 2^{1148331306444} is an apocalyptic number.

1148331306444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1148331306444 is an abundant number, since it is smaller than the sum of its proper divisors (1913885510964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1148331306444 is a wasteful number, since it uses less digits than its factorization.

1148331306444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13670610805 (or 13670610803 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 1148331306444 in words is "one trillion, one hundred forty-eight billion, three hundred thirty-one million, three hundred six thousand, four hundred forty-four".