11065515625 has 56 divisors (see below), whose sum is σ = 14804810496. Its totient is φ = 8250000000.

The previous prime is 11065515623. The next prime is 11065515647. The reversal of 11065515625 is 52651556011.

It is not a de Polignac number, because 11065515625 - 2¹ = 11065515623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11065515623) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 14734000 + ... + 14734750.

It is an arithmetic number, because the mean of its divisors is an integer number (264371616).

Almost surely, 2^11065515625 is an apocalyptic number.

It is an amenable number.

11065515625 is a deficient number, since it is larger than the sum of its proper divisors (3739294871).

11065515625 is an frugal number, since it uses more digits than its factorization.

11065515625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 11065515625 in words is "eleven billion, sixty-five million, five hundred fifteen thousand, six hundred twenty-five".