1178078623516 has 24 divisors (see below), whose sum is σ = 2106431744256. Its totient is φ = 576252048240.

The previous prime is 1178078623457. The next prime is 1178078623607. The reversal of 1178078623516 is 6153268708711.

It is a congruent number.

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, 955890 + ... + 1808281.

It is an arithmetic number, because the mean of its divisors is an integer number (87767989344).

Almost surely, 2^{1178078623516} is an apocalyptic number.

It is an amenable number.

1178078623516 is a deficient number, since it is larger than the sum of its proper divisors (928353120740).

1178078623516 is a wasteful number, since it uses less digits than its factorization.

1178078623516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766489 (or 2766487 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 1178078623516 in words is "one trillion, one hundred seventy-eight billion, seventy-eight million, six hundred twenty-three thousand, five hundred sixteen".