1148331326508 has 18 divisors (see below), whose sum is σ = 2902726408764. Its totient is φ = 382777108824.

The previous prime is 1148331326491. The next prime is 1148331326509. The reversal of 1148331326508 is 8056231338411.

It is a happy number.

1148331326508 is a `hidden beast` number, since 1 + 1 + 4 + 8 + 3 + 3 + 132 + 6 + 508 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1148331326509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15949046166 + ... + 15949046237.

Almost surely, 2^{1148331326508} is an apocalyptic number.

1148331326508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1148331326508 is an abundant number, since it is smaller than the sum of its proper divisors (1754395082256).

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

1148331326508 is a wasteful number, since it uses less digits than its factorization.

1148331326508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31898092413 (or 31898092408 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 1148331326508 in words is "one trillion, one hundred forty-eight billion, three hundred thirty-one million, three hundred twenty-six thousand, five hundred eight".