2155300512 has 24 divisors (see below), whose sum is σ = 5657664096. Its totient is φ = 718433472.

The previous prime is 2155300507. The next prime is 2155300519. The reversal of 2155300512 is 2150035512.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2155300519) 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, 11225428 + ... + 11225619.

It is an arithmetic number, because the mean of its divisors is an integer number (235736004).

Almost surely, 2^2155300512 is an apocalyptic number.

It is an amenable number.

2155300512 is an abundant number, since it is smaller than the sum of its proper divisors (3502363584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2155300512 is a wasteful number, since it uses less digits than its factorization.

2155300512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22451060 (or 22451052 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 2155300512 is about 46425.2141836739. The cubic root of 2155300512 is about 1291.7226573874.

The spelling of 2155300512 in words is "two billion, one hundred fifty-five million, three hundred thousand, five hundred twelve".