1186561613046 has 32 divisors (see below), whose sum is σ = 2452183308288. Its totient is φ = 382369979520.

The previous prime is 1186561612993. The next prime is 1186561613057. The reversal of 1186561613046 is 6403161656811.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1186561612986 and 1186561613004.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3083050 + ... + 3446493.

It is an arithmetic number, because the mean of its divisors is an integer number (76630728384).

Almost surely, 2^{1186561613046} is an apocalyptic number.

1186561613046 is an abundant number, since it is smaller than the sum of its proper divisors (1265621695242).

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

1186561613046 is a wasteful number, since it uses less digits than its factorization.

1186561613046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6530556.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 1186561613046 in words is "one trillion, one hundred eighty-six billion, five hundred sixty-one million, six hundred thirteen thousand, forty-six".