1161300264440 has 32 divisors (see below), whose sum is σ = 2614655000160. Its totient is φ = 464212656000.

The previous prime is 1161300264391. The next prime is 1161300264457. The reversal of 1161300264440 is 444620031611.

It is a junction number, because it is equal to n+sod(n) for n = 1161300264397 and 1161300264406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9546611 + ... + 9667490.

It is an arithmetic number, because the mean of its divisors is an integer number (81707968755).

Almost surely, 2^{1161300264440} is an apocalyptic number.

1161300264440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161300264440 is an abundant number, since it is smaller than the sum of its proper divisors (1453354735720).

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

1161300264440 is a wasteful number, since it uses less digits than its factorization.

1161300264440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19215623 (or 19215619 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 1161300264440 in words is "one trillion, one hundred sixty-one billion, three hundred million, two hundred sixty-four thousand, four hundred forty".