1151280089 has 4 divisors (see below), whose sum is σ = 1162039824. Its totient is φ = 1140520356.

The previous prime is 1151280083. The next prime is 1151280107. The reversal of 1151280089 is 9800821511.

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 a de Polignac number, because none of the positive numbers 2^k-1151280089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151280083) 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, 5379707 + ... + 5379920.

It is an arithmetic number, because the mean of its divisors is an integer number (290509956).

Almost surely, 2^1151280089 is an apocalyptic number.

It is an amenable number.

1151280089 is a deficient number, since it is larger than the sum of its proper divisors (10759735).

1151280089 is a wasteful number, since it uses less digits than its factorization.

1151280089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10759734.

The product of its (nonzero) digits is 5760, while the sum is 35.

The square root of 1151280089 is about 33930.5185489406. The cubic root of 1151280089 is about 1048.0781440599.

The spelling of 1151280089 in words is "one billion, one hundred fifty-one million, two hundred eighty thousand, eighty-nine".