1148331326540 has 24 divisors (see below), whose sum is σ = 2516343429600. Its totient is φ = 439361550848.

The previous prime is 1148331326539. The next prime is 1148331326561. The reversal of 1148331326540 is 456231338411.

It is a super-2 number, since 2×1148331326540² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248185765 + ... + 1248186684.

It is an arithmetic number, because the mean of its divisors is an integer number (104847642900).

Almost surely, 2^{1148331326540} is an apocalyptic number.

1148331326540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148331326540 is an abundant number, since it is smaller than the sum of its proper divisors (1368012103060).

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

1148331326540 is a wasteful number, since it uses less digits than its factorization.

1148331326540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496372481 (or 2496372479 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 1148331326540 in words is "one trillion, one hundred forty-eight billion, three hundred thirty-one million, three hundred twenty-six thousand, five hundred forty".