1166625215115 has 8 divisors (see below), whose sum is σ = 1866600344208. Its totient is φ = 622200114720.

The previous prime is 1166625215027. The next prime is 1166625215131. The reversal of 1166625215115 is 5115125266611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1166625215115 - 2²⁵ = 1166591660683 is a prime.

It is a super-2 number, since 2×1166625215115² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38887507156 + ... + 38887507185.

It is an arithmetic number, because the mean of its divisors is an integer number (233325043026).

Almost surely, 2^{1166625215115} is an apocalyptic number.

1166625215115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1166625215115 is a deficient number, since it is larger than the sum of its proper divisors (699975129093).

1166625215115 is an equidigital number, since it uses as much as digits as its factorization.

1166625215115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77775014349.

The product of its digits is 108000, while the sum is 42.

The spelling of 1166625215115 in words is "one trillion, one hundred sixty-six billion, six hundred twenty-five million, two hundred fifteen thousand, one hundred fifteen".