4121356505 has 8 divisors (see below), whose sum is σ = 5652146112. Its totient is φ = 2826073008.

The previous prime is 4121356501. The next prime is 4121356507. The reversal of 4121356505 is 5056531214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4121356505 - 2² = 4121356501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4121356501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58876487 + ... + 58876556.

It is an arithmetic number, because the mean of its divisors is an integer number (706518264).

Almost surely, 2^4121356505 is an apocalyptic number.

It is an amenable number.

4121356505 is a deficient number, since it is larger than the sum of its proper divisors (1530789607).

4121356505 is a wasteful number, since it uses less digits than its factorization.

4121356505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117753055.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 4121356505 is about 64197.7920570482. The cubic root of 4121356505 is about 1603.2948386219.

Adding to 4121356505 its reverse (5056531214), we get a palindrome (9177887719).

The spelling of 4121356505 in words is "four billion, one hundred twenty-one million, three hundred fifty-six thousand, five hundred five".