1148331306546 has 96 divisors (see below), whose sum is σ = 2657589599808. Its totient is φ = 357806574720.

The previous prime is 1148331306433. The next prime is 1148331306547. The reversal of 1148331306546 is 6456031338411.

1148331306546 is a `hidden beast` number, since 1 + 1 + 4 + 8 + 331 + 306 + 5 + 4 + 6 = 666.

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 47 ways as a sum of consecutive naturals, for example, 1418245 + ... + 2075591.

It is an arithmetic number, because the mean of its divisors is an integer number (27683224998).

Almost surely, 2^{1148331306546} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148331306546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1328794799904).

1148331306546 is an abundant number, since it is smaller than the sum of its proper divisors (1509258293262).

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

1148331306546 is a wasteful number, since it uses less digits than its factorization.

1148331306546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657496 (or 657493 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 1148331306546 in words is "one trillion, one hundred forty-eight billion, three hundred thirty-one million, three hundred six thousand, five hundred forty-six".