1186422552856 has 16 divisors (see below), whose sum is σ = 2224576778400. Its totient is φ = 593202078624.

The previous prime is 1186422552841. The next prime is 1186422552857. The reversal of 1186422552856 is 6582552246811.

It is a super-2 number, since 2×1186422552856² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1186422552797 and 1186422552806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1186422552857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585216 + ... + 1647823.

It is an arithmetic number, because the mean of its divisors is an integer number (139036048650).

Almost surely, 2^{1186422552856} is an apocalyptic number.

It is an amenable number.

1186422552856 is a deficient number, since it is larger than the sum of its proper divisors (1038154225544).

1186422552856 is a wasteful number, since it uses less digits than its factorization.

1186422552856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299458 (or 2299454 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 55.

The spelling of 1186422552856 in words is "one trillion, one hundred eighty-six billion, four hundred twenty-two million, five hundred fifty-two thousand, eight hundred fifty-six".