3555111125 has 12 divisors (see below), whose sum is σ = 4437610788. Its totient is φ = 2843555600.

The previous prime is 3555111113. The next prime is 3555111137. The reversal of 3555111125 is 5211115553.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (3555111113) and next prime (3555111137).

It can be written as a sum of positive squares in 6 ways, for example, as 55323844 + 3499787281 = 7438^2 + 59159^2 .

It is not a de Polignac number, because 3555111125 - 2⁸ = 3555110869 is a prime.

It is a super-2 number, since 2×3555111125² = 25277630222197531250, which contains 22 as substring.

It is a Duffinian number.

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, 663959 + ... + 669291.

It is an arithmetic number, because the mean of its divisors is an integer number (369800899).

Almost surely, 2^3555111125 is an apocalyptic number.

It is an amenable number.

3555111125 is a deficient number, since it is larger than the sum of its proper divisors (882499663).

3555111125 is an frugal number, since it uses more digits than its factorization.

3555111125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681 (or 5338 counting only the distinct ones).

The product of its digits is 3750, while the sum is 29.

The square root of 3555111125 is about 59624.7526200319. The cubic root of 3555111125 is about 1526.2220608396. Note that the first 3 decimals are identical.

Adding to 3555111125 its reverse (5211115553), we get a palindrome (8766226678).

The spelling of 3555111125 in words is "three billion, five hundred fifty-five million, one hundred eleven thousand, one hundred twenty-five".