7148812801 has 4 divisors (see below), whose sum is σ = 7698721492. Its totient is φ = 6598904112.

The previous prime is 7148812799. The next prime is 7148812807. The reversal of 7148812801 is 1082188417.

7148812801 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1082188417 = 2371 ⋅456427.

It can be written as a sum of positive squares in 2 ways, for example, as 652291600 + 6496521201 = 25540^2 + 80601^2 .

It is a cyclic number.

It is not a de Polignac number, because 7148812801 - 2¹ = 7148812799 is a prime.

It is a super-2 number, since 2×7148812801² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7148812807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274954326 + ... + 274954351.

It is an arithmetic number, because the mean of its divisors is an integer number (1924680373).

Almost surely, 2^7148812801 is an apocalyptic number.

It is an amenable number.

7148812801 is a deficient number, since it is larger than the sum of its proper divisors (549908691).

7148812801 is a wasteful number, since it uses less digits than its factorization.

7148812801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549908690.

The product of its (nonzero) digits is 28672, while the sum is 40.

The square root of 7148812801 is about 84550.6522801569. The cubic root of 7148812801 is about 1926.3918916095.

The spelling of 7148812801 in words is "seven billion, one hundred forty-eight million, eight hundred twelve thousand, eight hundred one".