11085154550 has 24 divisors (see below), whose sum is σ = 20622320712. Its totient is φ = 4433216000.

The previous prime is 11085154537. The next prime is 11085154559. The reversal of 11085154550 is 5545158011.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11085154550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11085154559) 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, 288470 + ... + 324630.

It is an arithmetic number, because the mean of its divisors is an integer number (859263363).

Almost surely, 2^11085154550 is an apocalyptic number.

11085154550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11085154550 is a deficient number, since it is larger than the sum of its proper divisors (9537166162).

11085154550 is a wasteful number, since it uses less digits than its factorization.

11085154550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42304 (or 42299 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 35.

The spelling of 11085154550 in words is "eleven billion, eighty-five million, one hundred fifty-four thousand, five hundred fifty".