1183934643061 has 4 divisors (see below), whose sum is σ = 1192972312224. Its totient is φ = 1174896973900.

The previous prime is 1183934643053. The next prime is 1183934643119. The reversal of 1183934643061 is 1603464393811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1183934643061 - 2³ = 1183934643053 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1183934642996 and 1183934643014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1183934643761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4518834385 + ... + 4518834646.

It is an arithmetic number, because the mean of its divisors is an integer number (298243078056).

Almost surely, 2^{1183934643061} is an apocalyptic number.

It is an amenable number.

1183934643061 is a deficient number, since it is larger than the sum of its proper divisors (9037669163).

1183934643061 is an equidigital number, since it uses as much as digits as its factorization.

1183934643061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9037669162.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 1183934643061 in words is "one trillion, one hundred eighty-three billion, nine hundred thirty-four million, six hundred forty-three thousand, sixty-one".