2155355325 has 36 divisors (see below), whose sum is σ = 4003472928. Its totient is φ = 1149519600.

The previous prime is 2155355317. The next prime is 2155355329. The reversal of 2155355325 is 5235535512.

2155355325 is a `hidden beast` number, since 21 + 553 + 55 + 32 + 5 = 666.

It is not a de Polignac number, because 2155355325 - 2³ = 2155355317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2155355325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155355329) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 171321 + ... + 183470.

Almost surely, 2^2155355325 is an apocalyptic number.

2155355325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2155355325 is a deficient number, since it is larger than the sum of its proper divisors (1848117603).

2155355325 is an equidigital number, since it uses as much as digits as its factorization.

2155355325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354816 (or 354799 counting only the distinct ones).

The product of its digits is 112500, while the sum is 36.

The square root of 2155355325 is about 46425.8045164540. The cubic root of 2155355325 is about 1291.7336075378.

The spelling of 2155355325 in words is "two billion, one hundred fifty-five million, three hundred fifty-five thousand, three hundred twenty-five".