4125505518 has 48 divisors (see below), whose sum is σ = 9094949136. Its totient is φ = 1351163520.

The previous prime is 4125505499. The next prime is 4125505537. The reversal of 4125505518 is 8155055214.

4125505518 is a `hidden beast` number, since 41 + 2 + 550 + 55 + 18 = 666.

It is an interprime number because it is at equal distance from previous prime (4125505499) and next prime (4125505537).

It is a congruent number.

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, 1565530 + ... + 1568162.

It is an arithmetic number, because the mean of its divisors is an integer number (189478107).

Almost surely, 2^4125505518 is an apocalyptic number.

4125505518 is an abundant number, since it is smaller than the sum of its proper divisors (4969443618).

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

4125505518 is a wasteful number, since it uses less digits than its factorization.

4125505518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129 (or 4126 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The square root of 4125505518 is about 64230.0982250533. The cubic root of 4125505518 is about 1603.8326761134.

The spelling of 4125505518 in words is "four billion, one hundred twenty-five million, five hundred five thousand, five hundred eighteen".