7215061125 has 32 divisors (see below), whose sum is σ = 12013073280. Its totient is φ = 3845721600.

The previous prime is 7215061079. The next prime is 7215061127. The reversal of 7215061125 is 5211605127.

It is not a de Polignac number, because 7215061125 - 2⁷ = 7215060997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7215061092 and 7215061101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7215061127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 751606 + ... + 761144.

It is an arithmetic number, because the mean of its divisors is an integer number (375408540).

Almost surely, 2^7215061125 is an apocalyptic number.

7215061125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7215061125 is a deficient number, since it is larger than the sum of its proper divisors (4798012155).

7215061125 is a wasteful number, since it uses less digits than its factorization.

7215061125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11574 (or 11564 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 7215061125 is about 84941.5159094774. The cubic root of 7215061125 is about 1932.3242533557.

The spelling of 7215061125 in words is "seven billion, two hundred fifteen million, sixty-one thousand, one hundred twenty-five".