1131208848 has 320 divisors, whose sum is σ = 4182589440. Its totient is φ = 284083200.

The previous prime is 1131208823. The next prime is 1131208861. The reversal of 1131208848 is 8488021311.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1030636 + ... + 1031732.

It is an arithmetic number, because the mean of its divisors is an integer number (13070592).

Almost surely, 2^1131208848 is an apocalyptic number.

1131208848 is a gapful number since it is divisible by the number (18) 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 1131208848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2091294720).

1131208848 is an abundant number, since it is smaller than the sum of its proper divisors (3051380592).

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

1131208848 is a wasteful number, since it uses less digits than its factorization.

1131208848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 1131208848 is about 33633.4483513065. The cubic root of 1131208848 is about 1041.9517245353.

The spelling of 1131208848 in words is "one billion, one hundred thirty-one million, two hundred eight thousand, eight hundred forty-eight".