11778248078 has 16 divisors (see below), whose sum is σ = 18332873856. Its totient is φ = 5671148280.

The previous prime is 11778248071. The next prime is 11778248099. The reversal of 11778248078 is 87084287711.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11778248071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958376 + ... + 970587.

It is an arithmetic number, because the mean of its divisors is an integer number (1145804616).

Almost surely, 2^11778248078 is an apocalyptic number.

11778248078 is a deficient number, since it is larger than the sum of its proper divisors (6554625778).

11778248078 is a wasteful number, since it uses less digits than its factorization.

11778248078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929079.

The product of its (nonzero) digits is 1404928, while the sum is 53.

The spelling of 11778248078 in words is "eleven billion, seven hundred seventy-eight million, two hundred forty-eight thousand, seventy-eight".