11355561084 has 24 divisors (see below), whose sum is σ = 30281496448. Its totient is φ = 3244446000.

The previous prime is 11355561047. The next prime is 11355561089. The reversal of 11355561084 is 48016555311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11355561089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67592542 + ... + 67592709.

Almost surely, 2^11355561084 is an apocalyptic number.

11355561084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11355561084 is an abundant number, since it is smaller than the sum of its proper divisors (18925935364).

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

11355561084 is a wasteful number, since it uses less digits than its factorization.

11355561084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135185265 (or 135185263 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 11355561084 in words is "eleven billion, three hundred fifty-five million, five hundred sixty-one thousand, eighty-four".