1085881253601 has 16 divisors (see below), whose sum is σ = 1451142703296. Its totient is φ = 722271338496.

The previous prime is 1085881253599. The next prime is 1085881253687. The reversal of 1085881253601 is 1063521885801.

It is not a de Polignac number, because 1085881253601 - 2¹ = 1085881253599 is a prime.

It is a super-3 number, since 3×1085881253601³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1085881203601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4193761 + ... + 4445153.

It is an arithmetic number, because the mean of its divisors is an integer number (90696418956).

Almost surely, 2^{1085881253601} is an apocalyptic number.

It is an amenable number.

1085881253601 is a deficient number, since it is larger than the sum of its proper divisors (365261449695).

1085881253601 is a wasteful number, since it uses less digits than its factorization.

1085881253601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254672.

The product of its (nonzero) digits is 460800, while the sum is 48.

The spelling of 1085881253601 in words is "one trillion, eighty-five billion, eight hundred eighty-one million, two hundred fifty-three thousand, six hundred one".