1161149554276 has 12 divisors (see below), whose sum is σ = 2081572981740. Its totient is φ = 566414416640.

The previous prime is 1161149554273. The next prime is 1161149554289. The reversal of 1161149554276 is 6724559411611.

It can be written as a sum of positive squares in 2 ways, for example, as 620077502500 + 541072051776 = 787450^2 + 735576^2 .

It is not an unprimeable number, because it can be changed into a prime (1161149554273) 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, 3540089941 + ... + 3540090268.

It is an arithmetic number, because the mean of its divisors is an integer number (173464415145).

Almost surely, 2^{1161149554276} is an apocalyptic number.

It is an amenable number.

1161149554276 is a deficient number, since it is larger than the sum of its proper divisors (920423427464).

1161149554276 is a wasteful number, since it uses less digits than its factorization.

1161149554276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7080180254 (or 7080180252 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 52.

The spelling of 1161149554276 in words is "one trillion, one hundred sixty-one billion, one hundred forty-nine million, five hundred fifty-four thousand, two hundred seventy-six".