1148451132280 has 128 divisors (see below), whose sum is σ = 2639997360000. Its totient is φ = 449567262720.

The previous prime is 1148451132277. The next prime is 1148451132293. The reversal of 1148451132280 is 822311548411.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117579957 + ... + 117589723.

It is an arithmetic number, because the mean of its divisors is an integer number (20624979375).

Almost surely, 2^{1148451132280} is an apocalyptic number.

1148451132280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148451132280 is an abundant number, since it is smaller than the sum of its proper divisors (1491546227720).

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

1148451132280 is a wasteful number, since it uses less digits than its factorization.

1148451132280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10217 (or 10213 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 1148451132280 in words is "one trillion, one hundred forty-eight billion, four hundred fifty-one million, one hundred thirty-two thousand, two hundred eighty".