1085972311650 has 48 divisors (see below), whose sum is σ = 2694354853824. Its totient is φ = 289469657280.

The previous prime is 1085972311637. The next prime is 1085972311667. The reversal of 1085972311650 is 561132795801.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1085972311650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1182262 + ... + 1889361.

It is an arithmetic number, because the mean of its divisors is an integer number (56132392788).

Almost surely, 2^{1085972311650} is an apocalyptic number.

1085972311650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1085972311650 is an abundant number, since it is smaller than the sum of its proper divisors (1608382542174).

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

1085972311650 is a wasteful number, since it uses less digits than its factorization.

1085972311650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073995 (or 3073990 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 48.

The spelling of 1085972311650 in words is "one trillion, eighty-five billion, nine hundred seventy-two million, three hundred eleven thousand, six hundred fifty".