9115655755 has 16 divisors (see below), whose sum is σ = 11016601344. Its totient is φ = 7240747360.

The previous prime is 9115655683. The next prime is 9115655777. The reversal of 9115655755 is 5575565119.

It is a happy number.

It is not a de Polignac number, because 9115655755 - 2⁹ = 9115655243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9115655699 and 9115655708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805164 + ... + 816406.

It is an arithmetic number, because the mean of its divisors is an integer number (688537584).

Almost surely, 2^9115655755 is an apocalyptic number.

9115655755 is a deficient number, since it is larger than the sum of its proper divisors (1900945589).

9115655755 is a wasteful number, since it uses less digits than its factorization.

9115655755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12386.

The product of its digits is 1181250, while the sum is 49.

The square root of 9115655755 is about 95475.9433312916. The cubic root of 9115655755 is about 2088.9560619835.

The spelling of 9115655755 in words is "nine billion, one hundred fifteen million, six hundred fifty-five thousand, seven hundred fifty-five".