11236155011220 has 96 divisors (see below), whose sum is σ = 32055959900160. Its totient is φ = 2939671388160.

The previous prime is 11236155011189. The next prime is 11236155011239. The reversal of 11236155011220 is 2211055163211.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144457140 + ... + 144534900.

It is an arithmetic number, because the mean of its divisors is an integer number (333916248960).

Almost surely, 2^{11236155011220} is an apocalyptic number.

11236155011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11236155011220 is an abundant number, since it is smaller than the sum of its proper divisors (20819804888940).

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

11236155011220 is a wasteful number, since it uses less digits than its factorization.

11236155011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123265 (or 123263 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 11236155011220 in words is "eleven trillion, two hundred thirty-six billion, one hundred fifty-five million, eleven thousand, two hundred twenty".