1091255153 has 4 divisors (see below), whose sum is σ = 1095501540. Its totient is φ = 1087008768.

The previous prime is 1091255147. The next prime is 1091255159. The reversal of 1091255153 is 3515521901.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1091255147) and next prime (1091255159).

It can be written as a sum of positive squares in 2 ways, for example, as 1071121984 + 20133169 = 32728^2 + 4487^2 .

It is a cyclic number.

It is not a de Polignac number, because 1091255153 - 2⁶ = 1091255089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1091255159) 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, 2122808 + ... + 2123321.

It is an arithmetic number, because the mean of its divisors is an integer number (273875385).

Almost surely, 2^1091255153 is an apocalyptic number.

It is an amenable number.

1091255153 is a deficient number, since it is larger than the sum of its proper divisors (4246387).

1091255153 is an equidigital number, since it uses as much as digits as its factorization.

1091255153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246386.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 1091255153 is about 33034.1513134514. The cubic root of 1091255153 is about 1029.5373398910.

The spelling of 1091255153 in words is "one billion, ninety-one million, two hundred fifty-five thousand, one hundred fifty-three".