1148554980909 has 32 divisors (see below), whose sum is σ = 2029193072640. Its totient is φ = 627781602096.

The previous prime is 1148554980899. The next prime is 1148554980913. The reversal of 1148554980909 is 9090894558411.

1148554980909 is a `hidden beast` number, since 1 + 1 + 4 + 8 + 5 + 549 + 80 + 9 + 0 + 9 = 666.

It is not a de Polignac number, because 1148554980909 - 2⁸ = 1148554980653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148554980929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132104577 + ... + 132113270.

It is an arithmetic number, because the mean of its divisors is an integer number (63412283520).

Almost surely, 2^{1148554980909} is an apocalyptic number.

It is an amenable number.

1148554980909 is a deficient number, since it is larger than the sum of its proper divisors (880638091731).

1148554980909 is a wasteful number, since it uses less digits than its factorization.

1148554980909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264217886 (or 264217880 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 63.

The spelling of 1148554980909 in words is "one trillion, one hundred forty-eight billion, five hundred fifty-four million, nine hundred eighty thousand, nine hundred nine".