1148299651840 has 144 divisors (see below), whose sum is σ = 3013696738080. Its totient is φ = 415738920960.

The previous prime is 1148299651813. The next prime is 1148299651907. The reversal of 1148299651840 is 481569928411.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3046252 + ... + 3402388.

It is an arithmetic number, because the mean of its divisors is an integer number (20928449570).

Almost surely, 2^{1148299651840} is an apocalyptic number.

1148299651840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148299651840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1506848369040).

1148299651840 is an abundant number, since it is smaller than the sum of its proper divisors (1865397086240).

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

1148299651840 is a wasteful number, since it uses less digits than its factorization.

1148299651840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356398 (or 356384 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 58.

The spelling of 1148299651840 in words is "one trillion, one hundred forty-eight billion, two hundred ninety-nine million, six hundred fifty-one thousand, eight hundred forty".