1161619280847 has 24 divisors (see below), whose sum is σ = 1684702904976. Its totient is φ = 771273017856.

The previous prime is 1161619280839. The next prime is 1161619280851. The reversal of 1161619280847 is 7480829161611.

1161619280847 is a `hidden beast` number, since 1 + 1 + 616 + 19 + 2 + 8 + 0 + 8 + 4 + 7 = 666.

It is not a de Polignac number, because 1161619280847 - 2³ = 1161619280839 is a prime.

It is a super-2 number, since 2×1161619280847² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1161619280793 and 1161619280802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161619280807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5548863 + ... + 5754399.

It is an arithmetic number, because the mean of its divisors is an integer number (70195954374).

Almost surely, 2^{1161619280847} is an apocalyptic number.

1161619280847 is a deficient number, since it is larger than the sum of its proper divisors (523083624129).

1161619280847 is a wasteful number, since it uses less digits than its factorization.

1161619280847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208087 (or 208084 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 1161619280847 in words is "one trillion, one hundred sixty-one billion, six hundred nineteen million, two hundred eighty thousand, eight hundred forty-seven".