1081270782863 has 8 divisors (see below), whose sum is σ = 1116172068480. Its totient is φ = 1046370846240.

The previous prime is 1081270782857. The next prime is 1081270782871. The reversal of 1081270782863 is 3682870721801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1081270782863 - 2⁴ = 1081270782847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081270772863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440533 + ... + 2058561.

It is an arithmetic number, because the mean of its divisors is an integer number (139521508560).

Almost surely, 2^{1081270782863} is an apocalyptic number.

1081270782863 is a deficient number, since it is larger than the sum of its proper divisors (34901285617).

1081270782863 is an equidigital number, since it uses as much as digits as its factorization.

1081270782863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674497.

The product of its (nonzero) digits is 1806336, while the sum is 53.

The spelling of 1081270782863 in words is "one trillion, eighty-one billion, two hundred seventy million, seven hundred eighty-two thousand, eight hundred sixty-three".