1085126407898 has 24 divisors (see below), whose sum is σ = 1801552566492. Its totient is φ = 487291676544.

The previous prime is 1085126407891. The next prime is 1085126407909. The reversal of 1085126407898 is 8987046215801.

It can be written as a sum of positive squares in 6 ways, for example, as 650743915969 + 434382491929 = 806687^2 + 659077^2 .

It is a super-2 number, since 2×1085126407898² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1085126407891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15207515 + ... + 15278702.

Almost surely, 2^{1085126407898} is an apocalyptic number.

1085126407898 is a deficient number, since it is larger than the sum of its proper divisors (716426158594).

1085126407898 is a wasteful number, since it uses less digits than its factorization.

1085126407898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30486306 (or 30486269 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 59.

The spelling of 1085126407898 in words is "one trillion, eighty-five billion, one hundred twenty-six million, four hundred seven thousand, eight hundred ninety-eight".