1066625115 has 48 divisors (see below), whose sum is σ = 1811642112. Its totient is φ = 534792192.

The previous prime is 1066625111. The next prime is 1066625123. The reversal of 1066625115 is 5115266601.

It is not a de Polignac number, because 1066625115 - 2² = 1066625111 is a prime.

It is a super-2 number, since 2×1066625115² = 2275378271897526450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066625111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5526459 + ... + 5526651.

It is an arithmetic number, because the mean of its divisors is an integer number (37742544).

Almost surely, 2^1066625115 is an apocalyptic number.

1066625115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1066625115 is a deficient number, since it is larger than the sum of its proper divisors (745016997).

1066625115 is an equidigital number, since it uses as much as digits as its factorization.

1066625115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 1066625115 is about 32659.2271035308. The cubic root of 1066625115 is about 1021.7326424216.

The spelling of 1066625115 in words is "one billion, sixty-six million, six hundred twenty-five thousand, one hundred fifteen".