2100055715 has 16 divisors (see below), whose sum is σ = 2580706656. Its totient is φ = 1639680000.

The previous prime is 2100055697. The next prime is 2100055753. The reversal of 2100055715 is 5175500012.

It is a happy number.

It is not a de Polignac number, because 2100055715 - 2²⁴ = 2083278499 is a prime.

It is a super-2 number, since 2×2100055715² = 8820468012208322450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341165 + ... + 347265.

It is an arithmetic number, because the mean of its divisors is an integer number (161294166).

Almost surely, 2^2100055715 is an apocalyptic number.

2100055715 is a deficient number, since it is larger than the sum of its proper divisors (480650941).

2100055715 is a wasteful number, since it uses less digits than its factorization.

2100055715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750.

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 2100055715 is about 45826.3648460141. The cubic root of 2100055715 is about 1280.5904898823.

Adding to 2100055715 its reverse (5175500012), we get a palindrome (7275555727).

The spelling of 2100055715 in words is "two billion, one hundred million, fifty-five thousand, seven hundred fifteen".