11331211727280 has 80 divisors (see below), whose sum is σ = 35134335124704. Its totient is φ = 3021004523520.

The previous prime is 11331211727273. The next prime is 11331211727291. The reversal of 11331211727280 is 8272711213311.

It is a tau number, because it is divible by the number of its divisors (80).

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, 3978061 + ... + 6203820.

Almost surely, 2^{11331211727280} is an apocalyptic number.

11331211727280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331211727280 is an abundant number, since it is smaller than the sum of its proper divisors (23803123397424).

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

11331211727280 is a wasteful number, since it uses less digits than its factorization.

11331211727280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10186534 (or 10186528 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 39.

The spelling of 11331211727280 in words is "eleven trillion, three hundred thirty-one billion, two hundred eleven million, seven hundred twenty-seven thousand, two hundred eighty".