1148046738447 has 8 divisors (see below), whose sum is σ = 1749404553856. Its totient is φ = 656026707672.

The previous prime is 1148046738439. The next prime is 1148046738457. The reversal of 1148046738447 is 7448376408411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1148046738447 - 2³ = 1148046738439 is a prime.

It is a super-2 number, since 2×1148046738447² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148046738427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27334446133 + ... + 27334446174.

It is an arithmetic number, because the mean of its divisors is an integer number (218675569232).

Almost surely, 2^{1148046738447} is an apocalyptic number.

1148046738447 is a deficient number, since it is larger than the sum of its proper divisors (601357815409).

1148046738447 is an equidigital number, since it uses as much as digits as its factorization.

1148046738447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54668892317.

The product of its (nonzero) digits is 14450688, while the sum is 57.

The spelling of 1148046738447 in words is "one trillion, one hundred forty-eight billion, forty-six million, seven hundred thirty-eight thousand, four hundred forty-seven".