2155325011 has 8 divisors (see below), whose sum is σ = 2463955200. Its totient is φ = 1846876488.

The previous prime is 2155324933. The next prime is 2155325027. The reversal of 2155325011 is 1105235512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2155325011 - 2⁹ = 2155324499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2155325041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18961 + ... + 68338.

It is an arithmetic number, because the mean of its divisors is an integer number (307994400).

Almost surely, 2^2155325011 is an apocalyptic number.

2155325011 is a deficient number, since it is larger than the sum of its proper divisors (308630189).

2155325011 is an equidigital number, since it uses as much as digits as its factorization.

2155325011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90833.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 2155325011 is about 46425.4780373880. The cubic root of 2155325011 is about 1291.7275516459.

It can be divided in two parts, 21553 and 25011, that added together give a palindrome (46564).

The spelling of 2155325011 in words is "two billion, one hundred fifty-five million, three hundred twenty-five thousand, eleven".