1151435089 has 4 divisors (see below), whose sum is σ = 1315925824. Its totient is φ = 986944356.

The previous prime is 1151435081. The next prime is 1151435113. The reversal of 1151435089 is 9805341511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1151435089 - 2³ = 1151435081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151435081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82245357 + ... + 82245370.

It is an arithmetic number, because the mean of its divisors is an integer number (328981456).

Almost surely, 2^1151435089 is an apocalyptic number.

It is an amenable number.

1151435089 is a deficient number, since it is larger than the sum of its proper divisors (164490735).

1151435089 is an equidigital number, since it uses as much as digits as its factorization.

1151435089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164490734.

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 1151435089 is about 33932.8025515135. The cubic root of 1151435089 is about 1048.1251771621.

It can be divided in two parts, 115 and 1435089, that added together give a square (1435204 = 1198²).

The spelling of 1151435089 in words is "one billion, one hundred fifty-one million, four hundred thirty-five thousand, eighty-nine".