1185111010056 has 16 divisors (see below), whose sum is σ = 2962777525200. Its totient is φ = 395037003344.

The previous prime is 1185111010049. The next prime is 1185111010081. The reversal of 1185111010056 is 6500101115811.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24689812686 + ... + 24689812733.

It is an arithmetic number, because the mean of its divisors is an integer number (185173595325).

Almost surely, 2^{1185111010056} is an apocalyptic number.

It is an amenable number.

1185111010056 is an abundant number, since it is smaller than the sum of its proper divisors (1777666515144).

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

1185111010056 is a wasteful number, since it uses less digits than its factorization.

1185111010056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49379625428 (or 49379625424 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 30.

Adding to 1185111010056 its reverse (6500101115811), we get a palindrome (7685212125867).

The spelling of 1185111010056 in words is "one trillion, one hundred eighty-five billion, one hundred eleven million, ten thousand, fifty-six".