1148491255 has 24 divisors (see below), whose sum is σ = 1438646400. Its totient is φ = 879226560.

The previous prime is 1148491217. The next prime is 1148491273. The reversal of 1148491255 is 5521948411.

It is not a de Polignac number, because 1148491255 - 2²¹ = 1146394103 is a prime.

It is a super-2 number, since 2×1148491255² = 2638064325622950050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5150074 + ... + 5150296.

It is an arithmetic number, because the mean of its divisors is an integer number (59943600).

Almost surely, 2^1148491255 is an apocalyptic number.

1148491255 is a deficient number, since it is larger than the sum of its proper divisors (290155145).

1148491255 is an equidigital number, since it uses as much as digits as its factorization.

1148491255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 408 counting only the distinct ones).

The product of its digits is 57600, while the sum is 40.

The square root of 1148491255 is about 33889.3973832525. The cubic root of 1148491255 is about 1047.2311797962.

The spelling of 1148491255 in words is "one billion, one hundred forty-eight million, four hundred ninety-one thousand, two hundred fifty-five".