1165655655156 has 12 divisors (see below), whose sum is σ = 2719863195392. Its totient is φ = 388551885048.

The previous prime is 1165655655119. The next prime is 1165655655167. The reversal of 1165655655156 is 6515565565611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1165655655096 and 1165655655105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48568985620 + ... + 48568985643.

Almost surely, 2^{1165655655156} is an apocalyptic number.

It is an amenable number.

1165655655156 is an abundant number, since it is smaller than the sum of its proper divisors (1554207540236).

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

1165655655156 is a wasteful number, since it uses less digits than its factorization.

1165655655156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97137971270 (or 97137971268 counting only the distinct ones).

The product of its digits is 20250000, while the sum is 57.

The spelling of 1165655655156 in words is "one trillion, one hundred sixty-five billion, six hundred fifty-five million, six hundred fifty-five thousand, one hundred fifty-six".