3125543155 has 24 divisors (see below), whose sum is σ = 4370398848. Its totient is φ = 2139596928.

The previous prime is 3125543147. The next prime is 3125543167. The reversal of 3125543155 is 5513455213.

It is not a de Polignac number, because 3125543155 - 2³ = 3125543147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3125543155.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138207 + ... + 159223.

It is an arithmetic number, because the mean of its divisors is an integer number (182099952).

Almost surely, 2^3125543155 is an apocalyptic number.

3125543155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3125543155 is a deficient number, since it is larger than the sum of its proper divisors (1244855693).

3125543155 is a wasteful number, since it uses less digits than its factorization.

3125543155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21643 (or 21636 counting only the distinct ones).

The product of its digits is 45000, while the sum is 34.

The square root of 3125543155 is about 55906.5573524251. The cubic root of 3125543155 is about 1462.0935679250.

Adding to 3125543155 its reverse (5513455213), we get a palindrome (8638998368).

The spelling of 3125543155 in words is "three billion, one hundred twenty-five million, five hundred forty-three thousand, one hundred fifty-five".