11085291532 has 72 divisors (see below), whose sum is σ = 22845457376. Its totient is φ = 4609972224.

The previous prime is 11085291521. The next prime is 11085291533. The reversal of 11085291532 is 23519258011.

It is a junction number, because it is equal to n+sod(n) for n = 11085291491 and 11085291500.

It is not an unprimeable number, because it can be changed into a prime (11085291533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7628518 + ... + 7629970.

Almost surely, 2^11085291532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11085291532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11422728688).

11085291532 is an abundant number, since it is smaller than the sum of its proper divisors (11760165844).

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

11085291532 is a wasteful number, since it uses less digits than its factorization.

11085291532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667 (or 1612 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 11085291532 in words is "eleven billion, eighty-five million, two hundred ninety-one thousand, five hundred thirty-two".