1150231101 has 32 divisors (see below), whose sum is σ = 1717309440. Its totient is φ = 680534784.

The previous prime is 1150231091. The next prime is 1150231133. The reversal of 1150231101 is 1011320511.

It is not a de Polignac number, because 1150231101 - 2²⁵ = 1116676669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150231001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213426 + ... + 218748.

It is an arithmetic number, because the mean of its divisors is an integer number (53665920).

Almost surely, 2^1150231101 is an apocalyptic number.

It is an amenable number.

1150231101 is a deficient number, since it is larger than the sum of its proper divisors (567078339).

1150231101 is a wasteful number, since it uses less digits than its factorization.

1150231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5585.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1150231101 is about 33915.0571428090. The cubic root of 1150231101 is about 1047.7597287909.

Adding to 1150231101 its reverse (1011320511), we get a palindrome (2161551612).

The spelling of 1150231101 in words is "one billion, one hundred fifty million, two hundred thirty-one thousand, one hundred one".