2158264541089 has 16 divisors (see below), whose sum is σ = 2266558495488. Its totient is φ = 2051185884352.

The previous prime is 2158264541057. The next prime is 2158264541101. The reversal of 2158264541089 is 9801454628512.

It is a cyclic number.

It is not a de Polignac number, because 2158264541089 - 2⁵ = 2158264541057 is a prime.

It is a super-2 number, since 2×2158264541089² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2158264541009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8934039 + ... + 9172435.

It is an arithmetic number, because the mean of its divisors is an integer number (141659905968).

Almost surely, 2^{2158264541089} is an apocalyptic number.

It is an amenable number.

2158264541089 is a deficient number, since it is larger than the sum of its proper divisors (108293954399).

2158264541089 is a wasteful number, since it uses less digits than its factorization.

2158264541089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240944.

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 2158264541089 in words is "two trillion, one hundred fifty-eight billion, two hundred sixty-four million, five hundred forty-one thousand, eighty-nine".