1081761782262 has 64 divisors (see below), whose sum is σ = 2544864791040. Its totient is φ = 300077277696.

The previous prime is 1081761782237. The next prime is 1081761782291. The reversal of 1081761782262 is 2622871671801.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19587 + ... + 1471022.

It is an arithmetic number, because the mean of its divisors is an integer number (39763512360).

Almost surely, 2^{1081761782262} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081761782262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1272432395520).

1081761782262 is an abundant number, since it is smaller than the sum of its proper divisors (1463103008778).

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

1081761782262 is a wasteful number, since it uses less digits than its factorization.

1081761782262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491125.

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 1081761782262 in words is "one trillion, eighty-one billion, seven hundred sixty-one million, seven hundred eighty-two thousand, two hundred sixty-two".