4125051505 has 16 divisors (see below), whose sum is σ = 4992243840. Its totient is φ = 3271979392.

The previous prime is 4125051499. The next prime is 4125051509. The reversal of 4125051505 is 5051505214.

It is a cyclic number.

It is not a de Polignac number, because 4125051505 - 2⁵ = 4125051473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4125051509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645516 + ... + 651874.

It is an arithmetic number, because the mean of its divisors is an integer number (312015240).

Almost surely, 2^4125051505 is an apocalyptic number.

It is an amenable number.

4125051505 is a deficient number, since it is larger than the sum of its proper divisors (867192335).

4125051505 is a wasteful number, since it uses less digits than its factorization.

4125051505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7448.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 4125051505 is about 64226.5638579552. The cubic root of 4125051505 is about 1603.7738398815.

Adding to 4125051505 its reverse (5051505214), we get a palindrome (9176556719).

The spelling of 4125051505 in words is "four billion, one hundred twenty-five million, fifty-one thousand, five hundred five".