1091933041936 has 225 divisors, whose sum is σ = 2491731280245. Its totient is φ = 463458885120.

The previous prime is 1091933041933. The next prime is 1091933041943. The reversal of 1091933041936 is 6391403391901.

The square root of 1091933041936 is 1044956.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 850120880400 + 241812161536 = 922020^2 + 491744^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1091933041936.

It is not an unprimeable number, because it can be changed into a prime (1091933041933) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 8597897905 + ... + 8597898031.

Almost surely, 2^{1091933041936} is an apocalyptic number.

1091933041936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1091933041936 is the 1044956-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1091933041936

1091933041936 is an abundant number, since it is smaller than the sum of its proper divisors (1399798238309).

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

1091933041936 is an frugal number, since it uses more digits than its factorization.

1091933041936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 49.

Multiplying 1091933041936 by its sum of digits (49), we get a square (53504719054864 = 7314692²).

The spelling of 1091933041936 in words is "one trillion, ninety-one billion, nine hundred thirty-three million, forty-one thousand, nine hundred thirty-six".