1151125461 has 6 divisors (see below), whose sum is σ = 1662736790. Its totient is φ = 767416968.

The previous prime is 1151125411. The next prime is 1151125477. The reversal of 1151125461 is 1645211511.

1151125461 is a `hidden beast` number, since 1 + 1 + 5 + 112 + 546 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1129363236 + 21762225 = 33606^2 + 4665^2 .

It is not a de Polignac number, because 1151125461 - 2²⁶ = 1084016597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151125411) 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, 63951406 + ... + 63951423.

Almost surely, 2^1151125461 is an apocalyptic number.

It is an amenable number.

1151125461 is a deficient number, since it is larger than the sum of its proper divisors (511611329).

1151125461 is a wasteful number, since it uses less digits than its factorization.

1151125461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127902835 (or 127902832 counting only the distinct ones).

The product of its digits is 1200, while the sum is 27.

The square root of 1151125461 is about 33928.2398747710. The cubic root of 1151125461 is about 1048.0312196306.

Adding to 1151125461 its reverse (1645211511), we get a palindrome (2796336972).

The spelling of 1151125461 in words is "one billion, one hundred fifty-one million, one hundred twenty-five thousand, four hundred sixty-one".