1178443255 has 16 divisors (see below), whose sum is σ = 1557970848. Its totient is φ = 848560000.

The previous prime is 1178443241. The next prime is 1178443261. The reversal of 1178443255 is 5523448711.

It is not a de Polignac number, because 1178443255 - 2²³ = 1170054647 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 100516 + ... + 111625.

It is an arithmetic number, because the mean of its divisors is an integer number (97373178).

Almost surely, 2^1178443255 is an apocalyptic number.

1178443255 is a deficient number, since it is larger than the sum of its proper divisors (379527593).

1178443255 is a wasteful number, since it uses less digits than its factorization.

1178443255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212258.

The product of its digits is 134400, while the sum is 40.

The square root of 1178443255 is about 34328.4612967141. The cubic root of 1178443255 is about 1056.2568983829.

The spelling of 1178443255 in words is "one billion, one hundred seventy-eight million, four hundred forty-three thousand, two hundred fifty-five".