1156354041 has 16 divisors (see below), whose sum is σ = 1623890240. Its totient is φ = 729907200.

The previous prime is 1156354027. The next prime is 1156354097. The reversal of 1156354041 is 1404536511.

It is a happy number.

It is not a de Polignac number, because 1156354041 - 2⁵ = 1156354009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1156354021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115641 + ... + 125241.

It is an arithmetic number, because the mean of its divisors is an integer number (101493140).

Almost surely, 2^1156354041 is an apocalyptic number.

It is an amenable number.

1156354041 is a deficient number, since it is larger than the sum of its proper divisors (467536199).

1156354041 is a wasteful number, since it uses less digits than its factorization.

1156354041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11736.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1156354041 is about 34005.2060867156. The cubic root of 1156354041 is about 1049.6155935258.

The spelling of 1156354041 in words is "one billion, one hundred fifty-six million, three hundred fifty-four thousand, forty-one".