1148331306548 has 12 divisors (see below), whose sum is σ = 2009631070692. Its totient is φ = 574151000640.

The previous prime is 1148331306547. The next prime is 1148331306559. The reversal of 1148331306548 is 8456031338411.

It can be written as a sum of positive squares in 2 ways, for example, as 754903797904 + 393427508644 = 868852^2 + 627238^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148331306547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3485873 + ... + 3801048.

It is an arithmetic number, because the mean of its divisors is an integer number (167469255891).

Almost surely, 2^{1148331306548} is an apocalyptic number.

It is an amenable number.

1148331306548 is a deficient number, since it is larger than the sum of its proper divisors (861299764144).

1148331306548 is a wasteful number, since it uses less digits than its factorization.

1148331306548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7326322 (or 7326320 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 1148331306548 in words is "one trillion, one hundred forty-eight billion, three hundred thirty-one million, three hundred six thousand, five hundred forty-eight".