1061655115 has 8 divisors (see below), whose sum is σ = 1341038160. Its totient is φ = 804622752.

The previous prime is 1061655073. The next prime is 1061655139. The reversal of 1061655115 is 5115561601.

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 1061655115 - 2⁹ = 1061654603 is a prime.

It is a super-2 number, since 2×1061655115² = 2254223166411326450, which contains 22 as substring.

It is an unprimeable number.

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, 5587564 + ... + 5587753.

It is an arithmetic number, because the mean of its divisors is an integer number (167629770).

Almost surely, 2^1061655115 is an apocalyptic number.

1061655115 is a deficient number, since it is larger than the sum of its proper divisors (279383045).

1061655115 is a wasteful number, since it uses less digits than its factorization.

1061655115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11175341.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 1061655115 is about 32583.0495043051. The cubic root of 1061655115 is about 1020.1432308794.

The spelling of 1061655115 in words is "one billion, sixty-one million, six hundred fifty-five thousand, one hundred fifteen".