1148355674447 has 16 divisors (see below), whose sum is σ = 1218302428032. Its totient is φ = 1078676766720.

The previous prime is 1148355674443. The next prime is 1148355674503. The reversal of 1148355674447 is 7444765538411.

It is a cyclic number.

It is not a de Polignac number, because 1148355674447 - 2² = 1148355674443 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148355674443) 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, 24700778 + ... + 24747224.

It is an arithmetic number, because the mean of its divisors is an integer number (76143901752).

Almost surely, 2^{1148355674447} is an apocalyptic number.

1148355674447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1148355674447 is a deficient number, since it is larger than the sum of its proper divisors (69946753585).

1148355674447 is a wasteful number, since it uses less digits than its factorization.

1148355674447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49298.

The product of its digits is 45158400, while the sum is 59.

The spelling of 1148355674447 in words is "one trillion, one hundred forty-eight billion, three hundred fifty-five million, six hundred seventy-four thousand, four hundred forty-seven".