4261145051 has 4 divisors (see below), whose sum is σ = 4312484232. Its totient is φ = 4209805872.

The previous prime is 4261145003. The next prime is 4261145059. The reversal of 4261145051 is 1505411624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4261145051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4261145059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25669466 + ... + 25669631.

It is an arithmetic number, because the mean of its divisors is an integer number (1078121058).

Almost surely, 2^4261145051 is an apocalyptic number.

4261145051 is a deficient number, since it is larger than the sum of its proper divisors (51339181).

4261145051 is an equidigital number, since it uses as much as digits as its factorization.

4261145051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51339180.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 4261145051 is about 65277.4467254962. The cubic root of 4261145051 is about 1621.2205721652.

Adding to 4261145051 its reverse (1505411624), we get a palindrome (5766556675).

The spelling of 4261145051 in words is "four billion, two hundred sixty-one million, one hundred forty-five thousand, fifty-one".