1085877018570 has 128 divisors (see below), whose sum is σ = 2801361024000. Its totient is φ = 268556221440.

The previous prime is 1085877018559. The next prime is 1085877018581. The reversal of 1085877018570 is 758107785801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1085877018559) and next prime (1085877018581).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 1085877018570.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8037841 + ... + 8171819.

It is an arithmetic number, because the mean of its divisors is an integer number (21885633000).

Almost surely, 2^{1085877018570} is an apocalyptic number.

1085877018570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1085877018570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1400680512000).

1085877018570 is an abundant number, since it is smaller than the sum of its proper divisors (1715484005430).

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

1085877018570 is a wasteful number, since it uses less digits than its factorization.

1085877018570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134308.

The product of its (nonzero) digits is 4390400, while the sum is 57.

The spelling of 1085877018570 in words is "one trillion, eighty-five billion, eight hundred seventy-seven million, eighteen thousand, five hundred seventy".