11285911021392 has 400 divisors, whose sum is σ = 37943624722432. Its totient is φ = 3172052793600.

The previous prime is 11285911021391. The next prime is 11285911021409. The reversal of 11285911021392 is 29312011958211.

11285911021392 is a `hidden beast` number, since 1 + 1 + 2 + 8 + 591 + 1 + 0 + 21 + 39 + 2 = 666.

11285911021392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11285911021391) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 141056823 + ... + 141136809.

Almost surely, 2^{11285911021392} is an apocalyptic number.

11285911021392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11285911021392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18971812361216).

11285911021392 is an abundant number, since it is smaller than the sum of its proper divisors (26657713701040).

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

11285911021392 is a wasteful number, since it uses less digits than its factorization.

11285911021392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80268 (or 80253 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 45.

The spelling of 11285911021392 in words is "eleven trillion, two hundred eighty-five billion, nine hundred eleven million, twenty-one thousand, three hundred ninety-two".