1161026504412 has 12 divisors (see below), whose sum is σ = 2709061843656. Its totient is φ = 387008834800.

The previous prime is 1161026504377. The next prime is 1161026504423. The reversal of 1161026504412 is 2144056201611.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48376104339 + ... + 48376104362.

It is an arithmetic number, because the mean of its divisors is an integer number (225755153638).

Almost surely, 2^{1161026504412} is an apocalyptic number.

1161026504412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1161026504412 is an abundant number, since it is smaller than the sum of its proper divisors (1548035339244).

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

1161026504412 is a wasteful number, since it uses less digits than its factorization.

1161026504412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96752208708 (or 96752208706 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 1161026504412 in words is "one trillion, one hundred sixty-one billion, twenty-six million, five hundred four thousand, four hundred twelve".