1177885316028 has 24 divisors (see below), whose sum is σ = 2749100839632. Its totient is φ = 392528185984.

The previous prime is 1177885316021. The next prime is 1177885316029. The reversal of 1177885316028 is 8206135887711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1177885316021) 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, 12482625 + ... + 12576632.

It is an arithmetic number, because the mean of its divisors is an integer number (114545868318).

Almost surely, 2^{1177885316028} is an apocalyptic number.

It is an amenable number.

1177885316028 is an abundant number, since it is smaller than the sum of its proper divisors (1571215523604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1177885316028 is a wasteful number, since it uses less digits than its factorization.

1177885316028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25063181 (or 25063179 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 57.

The spelling of 1177885316028 in words is "one trillion, one hundred seventy-seven billion, eight hundred eighty-five million, three hundred sixteen thousand, twenty-eight".