2155503002300 has 36 divisors (see below), whose sum is σ = 4803858861480. Its totient is φ = 838898464320.

The previous prime is 2155503002293. The next prime is 2155503002311. The reversal of 2155503002300 is 32003055512.

It is a self number, because there is not a number n which added to its sum of digits gives 2155503002300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291280490 + ... + 291287889.

It is an arithmetic number, because the mean of its divisors is an integer number (133440523930).

Almost surely, 2^{2155503002300} is an apocalyptic number.

2155503002300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2155503002300 is an abundant number, since it is smaller than the sum of its proper divisors (2648355859180).

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

2155503002300 is a wasteful number, since it uses less digits than its factorization.

2155503002300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582568430 (or 582568423 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 2155503002300 its reverse (32003055512), we get a palindrome (2187506057812).

The spelling of 2155503002300 in words is "two trillion, one hundred fifty-five billion, five hundred three million, two thousand, three hundred".