2103521255 has 32 divisors (see below), whose sum is σ = 2946240000. Its totient is φ = 1425513600.

The previous prime is 2103521249. The next prime is 2103521261. The reversal of 2103521255 is 5521253012.

It is an interprime number because it is at equal distance from previous prime (2103521249) and next prime (2103521261).

It is not a de Polignac number, because 2103521255 - 2¹⁰ = 2103520231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47246 + ... + 80244.

It is an arithmetic number, because the mean of its divisors is an integer number (92070000).

Almost surely, 2^2103521255 is an apocalyptic number.

2103521255 is a deficient number, since it is larger than the sum of its proper divisors (842718745).

2103521255 is a wasteful number, since it uses less digits than its factorization.

2103521255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33095.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2103521255 is about 45864.1608993340. The cubic root of 2103521255 is about 1281.2945186038.

Adding to 2103521255 its reverse (5521253012), we get a palindrome (7624774267).

The spelling of 2103521255 in words is "two billion, one hundred three million, five hundred twenty-one thousand, two hundred fifty-five".