2155525010 has 8 divisors (see below), whose sum is σ = 3879945036. Its totient is φ = 862210000.

The previous prime is 2155525007. The next prime is 2155525019. The reversal of 2155525010 is 105255512.

It can be written as a sum of positive squares in 2 ways, for example, as 1758041041 + 397483969 = 41929^2 + 19937^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2155525019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107776241 + ... + 107776260.

Almost surely, 2^2155525010 is an apocalyptic number.

2155525010 is a deficient number, since it is larger than the sum of its proper divisors (1724420026).

2155525010 is a wasteful number, since it uses less digits than its factorization.

2155525010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215552508.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 2155525010 is about 46427.6319663194. The cubic root of 2155525010 is about 1291.7675048203.

The spelling of 2155525010 in words is "two billion, one hundred fifty-five million, five hundred twenty-five thousand, ten".