7115622001 has 8 divisors (see below), whose sum is σ = 7313538600. Its totient is φ = 6920327040.

The previous prime is 7115621977. The next prime is 7115622043. The reversal of 7115622001 is 1002265117.

It can be written as a sum of positive squares in 4 ways, for example, as 303595776 + 6812026225 = 17424^2 + 82535^2 .

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 7115622001 - 2⁹ = 7115621489 is a prime.

It is a super-2 number, since 2×7115622001² (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 (7115622071) 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 7 ways as a sum of consecutive naturals, for example, 649906 + ... + 660763.

It is an arithmetic number, because the mean of its divisors is an integer number (914192325).

Almost surely, 2^7115622001 is an apocalyptic number.

It is an amenable number.

7115622001 is a deficient number, since it is larger than the sum of its proper divisors (197916599).

7115622001 is a wasteful number, since it uses less digits than its factorization.

7115622001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310819.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 7115622001 is about 84354.1463177715. The cubic root of 7115622001 is about 1923.4059554418.

Adding to 7115622001 its reverse (1002265117), we get a palindrome (8117887118).

The spelling of 7115622001 in words is "seven billion, one hundred fifteen million, six hundred twenty-two thousand, one".