1148428291558 has 4 divisors (see below), whose sum is σ = 1722642437340. Its totient is φ = 574214145778.

The previous prime is 1148428291553. The next prime is 1148428291561. The reversal of 1148428291558 is 8551928248411.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148428291553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287107072888 + ... + 287107072891.

It is an arithmetic number, because the mean of its divisors is an integer number (430660609335).

Almost surely, 2^{1148428291558} is an apocalyptic number.

1148428291558 is a deficient number, since it is larger than the sum of its proper divisors (574214145782).

1148428291558 is an equidigital number, since it uses as much as digits as its factorization.

1148428291558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574214145781.

The product of its digits is 7372800, while the sum is 58.

The spelling of 1148428291558 in words is "one trillion, one hundred forty-eight billion, four hundred twenty-eight million, two hundred ninety-one thousand, five hundred fifty-eight".