1151334450 has 144 divisors (see below), whose sum is σ = 3721398720. Its totient is φ = 249298560.

The previous prime is 1151334421. The next prime is 1151334479. The reversal of 1151334450 is 544331511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1151334421) and next prime (1151334479).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 50232 + ... + 69468.

Almost surely, 2^1151334450 is an apocalyptic number.

1151334450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151334450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1860699360).

1151334450 is an abundant number, since it is smaller than the sum of its proper divisors (2570064270).

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

1151334450 is a wasteful number, since it uses less digits than its factorization.

1151334450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19281 (or 19273 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1151334450 is about 33931.3196029863. The cubic root of 1151334450 is about 1048.0946398081.

Adding to 1151334450 its reverse (544331511), we get a palindrome (1695665961).

The spelling of 1151334450 in words is "one billion, one hundred fifty-one million, three hundred thirty-four thousand, four hundred fifty".