1151284736 has 80 divisors (see below), whose sum is σ = 2648997120. Its totient is φ = 489646080.

The previous prime is 1151284733. The next prime is 1151284741. The reversal of 1151284736 is 6374821511.

It is a self number, because there is not a number n which added to its sum of digits gives 1151284736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151284733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497021 + ... + 499331.

It is an arithmetic number, because the mean of its divisors is an integer number (33112464).

Almost surely, 2^1151284736 is an apocalyptic number.

1151284736 is a gapful number since it is divisible by the number (16) 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 1151284736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324498560).

1151284736 is an abundant number, since it is smaller than the sum of its proper divisors (1497712384).

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

1151284736 is an equidigital number, since it uses as much as digits as its factorization.

1151284736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475 (or 2459 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 1151284736 is about 33930.5870270469. The cubic root of 1151284736 is about 1048.0795542040.

The spelling of 1151284736 in words is "one billion, one hundred fifty-one million, two hundred eighty-four thousand, seven hundred thirty-six".