1178083215 has 12 divisors (see below), whose sum is σ = 2042010984. Its totient is φ = 628311024.

The previous prime is 1178083213. The next prime is 1178083259. The reversal of 1178083215 is 5123808711.

It is not a de Polignac number, because 1178083215 - 2¹ = 1178083213 is a prime.

It is a super-2 number, since 2×1178083215² = 2775760122929472450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1178083215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178083213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13089769 + ... + 13089858.

It is an arithmetic number, because the mean of its divisors is an integer number (170167582).

Almost surely, 2^1178083215 is an apocalyptic number.

1178083215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1178083215 is a deficient number, since it is larger than the sum of its proper divisors (863927769).

1178083215 is a wasteful number, since it uses less digits than its factorization.

1178083215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26179638 (or 26179635 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 1178083215 is about 34323.2168509888. The cubic root of 1178083215 is about 1056.1493176210.

The spelling of 1178083215 in words is "one billion, one hundred seventy-eight million, eighty-three thousand, two hundred fifteen".