1151089452 has 18 divisors (see below), whose sum is σ = 2909698428. Its totient is φ = 383696472.

The previous prime is 1151089451. The next prime is 1151089507. The reversal of 1151089452 is 2549801511.

1151089452 is a `hidden beast` number, since 1 + 1 + 510 + 8 + 94 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 31974707 = 1151089452 / (1 + 1 + 5 + 1 + 0 + 8 + 9 + 4 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (1151089451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15987318 + ... + 15987389.

Almost surely, 2^1151089452 is an apocalyptic number.

1151089452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1151089452 is an abundant number, since it is smaller than the sum of its proper divisors (1758608976).

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

1151089452 is a wasteful number, since it uses less digits than its factorization.

1151089452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31974717 (or 31974712 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 1151089452 is about 33927.7092064878. The cubic root of 1151089452 is about 1048.0202914996.

The spelling of 1151089452 in words is "one billion, one hundred fifty-one million, eighty-nine thousand, four hundred fifty-two".