2155003104 has 48 divisors (see below), whose sum is σ = 5954618880. Its totient is φ = 680526720.

The previous prime is 2155003087. The next prime is 2155003121. The reversal of 2155003104 is 4013005512.

It is an interprime number because it is at equal distance from previous prime (2155003087) and next prime (2155003121).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588912 + ... + 592559.

It is an arithmetic number, because the mean of its divisors is an integer number (124054560).

Almost surely, 2^2155003104 is an apocalyptic number.

2155003104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2155003104 is an abundant number, since it is smaller than the sum of its proper divisors (3799615776).

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

2155003104 is a wasteful number, since it uses less digits than its factorization.

2155003104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181503 (or 1181495 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2155003104 is about 46422.0109861691. The cubic root of 2155003104 is about 1291.6632401010.

Adding to 2155003104 its reverse (4013005512), we get a palindrome (6168008616).

The spelling of 2155003104 in words is "two billion, one hundred fifty-five million, three thousand, one hundred four".