1161060541 has 4 divisors (see below), whose sum is σ = 1167139584. Its totient is φ = 1154981500.

The previous prime is 1161060533. The next prime is 1161060581. The reversal of 1161060541 is 1450601611.

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 not a de Polignac number, because 1161060541 - 2³ = 1161060533 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 (1161060521) 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, 3039235 + ... + 3039616.

It is an arithmetic number, because the mean of its divisors is an integer number (291784896).

Almost surely, 2^1161060541 is an apocalyptic number.

It is an amenable number.

1161060541 is a deficient number, since it is larger than the sum of its proper divisors (6079043).

1161060541 is an equidigital number, since it uses as much as digits as its factorization.

1161060541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6079042.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1161060541 is about 34074.3384528592. The cubic root of 1161060541 is about 1051.0376864653.

The spelling of 1161060541 in words is "one billion, one hundred sixty-one million, sixty thousand, five hundred forty-one".