7251120011 has 4 divisors (see below), whose sum is σ = 7287558000. Its totient is φ = 7214682024.

The previous prime is 7251119999. The next prime is 7251120013. The reversal of 7251120011 is 1100211527.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7251120011 - 2⁶ = 7251119947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7251120013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18218696 + ... + 18219093.

It is an arithmetic number, because the mean of its divisors is an integer number (1821889500).

Almost surely, 2^7251120011 is an apocalyptic number.

7251120011 is a deficient number, since it is larger than the sum of its proper divisors (36437989).

7251120011 is a wasteful number, since it uses less digits than its factorization.

7251120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36437988.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 7251120011 is about 85153.5085066963. The cubic root of 7251120011 is about 1935.5379801112.

Adding to 7251120011 its reverse (1100211527), we get a palindrome (8351331538).

The spelling of 7251120011 in words is "seven billion, two hundred fifty-one million, one hundred twenty thousand, eleven".