1181185874063 has 12 divisors (see below), whose sum is σ = 1279069023528. Its totient is φ = 1090296923040.

The previous prime is 1181185874059. The next prime is 1181185874093. The reversal of 1181185874063 is 3604785811811.

It is a happy number.

It is not a de Polignac number, because 1181185874063 - 2² = 1181185874059 is a prime.

It is a super-2 number, since 2×1181185874063² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1181185873996 and 1181185874014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181185874093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9153356 + ... + 9281502.

It is an arithmetic number, because the mean of its divisors is an integer number (106589085294).

Almost surely, 2^{1181185874063} is an apocalyptic number.

1181185874063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1181185874063 is a deficient number, since it is larger than the sum of its proper divisors (97883149465).

1181185874063 is a wasteful number, since it uses less digits than its factorization.

1181185874063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182714 (or 182701 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 1181185874063 in words is "one trillion, one hundred eighty-one billion, one hundred eighty-five million, eight hundred seventy-four thousand, sixty-three".