1151461161 has 24 divisors (see below), whose sum is σ = 1752504000. Its totient is φ = 726514272.

The previous prime is 1151461151. The next prime is 1151461189. The reversal of 1151461161 is 1611641511.

It is not a de Polignac number, because 1151461161 - 2⁷ = 1151461033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151461111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207420 + ... + 212898.

It is an arithmetic number, because the mean of its divisors is an integer number (73021000).

Almost surely, 2^1151461161 is an apocalyptic number.

It is an amenable number.

1151461161 is a deficient number, since it is larger than the sum of its proper divisors (601042839).

1151461161 is a wasteful number, since it uses less digits than its factorization.

1151461161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6733 (or 6730 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 1151461161 is about 33933.1867203774. The cubic root of 1151461161 is about 1048.1330880187.

The spelling of 1151461161 in words is "one billion, one hundred fifty-one million, four hundred sixty-one thousand, one hundred sixty-one".