2156533041 has 16 divisors (see below), whose sum is σ = 3259538240. Its totient is φ = 1257249600.

The previous prime is 2156533039. The next prime is 2156533051. The reversal of 2156533041 is 1403356512.

It is not a de Polignac number, because 2156533041 - 2¹ = 2156533039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2156533051) 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, 1454410 + ... + 1455891.

It is an arithmetic number, because the mean of its divisors is an integer number (203721140).

Almost surely, 2^2156533041 is an apocalyptic number.

It is an amenable number.

2156533041 is a deficient number, since it is larger than the sum of its proper divisors (1103005199).

2156533041 is a wasteful number, since it uses less digits than its factorization.

2156533041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910336.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2156533041 is about 46438.4866355483. The cubic root of 2156533041 is about 1291.9688384095.

Adding to 2156533041 its reverse (1403356512), we get a palindrome (3559889553).

The spelling of 2156533041 in words is "two billion, one hundred fifty-six million, five hundred thirty-three thousand, forty-one".