11155351320 has 64 divisors (see below), whose sum is σ = 37184508000. Its totient is φ = 2974760064.

The previous prime is 11155351313. The next prime is 11155351351. The reversal of 11155351320 is 2315355111.

11155351320 is a `hidden beast` number, since 1 + 115 + 535 + 13 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5163435 + ... + 5165594.

Almost surely, 2^11155351320 is an apocalyptic number.

11155351320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11155351320 is an abundant number, since it is smaller than the sum of its proper divisors (26029156680).

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

11155351320 is a wasteful number, since it uses less digits than its factorization.

11155351320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10329049 (or 10329039 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The spelling of 11155351320 in words is "eleven billion, one hundred fifty-five million, three hundred fifty-one thousand, three hundred twenty".