11447929799488 has 448 divisors, whose sum is σ = 30601042956288. Its totient is φ = 4119277731840.

The previous prime is 11447929799473. The next prime is 11447929799521. The reversal of 11447929799488 is 88499792974411.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2691728370 + ... + 2691732622.

It is an arithmetic number, because the mean of its divisors is an integer number (68305899456).

Almost surely, 2^{11447929799488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11447929799488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15300521478144).

11447929799488 is an abundant number, since it is smaller than the sum of its proper divisors (19153113156800).

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

11447929799488 is a wasteful number, since it uses less digits than its factorization.

11447929799488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210 (or 5200 counting only the distinct ones).

The product of its digits is 2633637888, while the sum is 82.

The spelling of 11447929799488 in words is "eleven trillion, four hundred forty-seven billion, nine hundred twenty-nine million, seven hundred ninety-nine thousand, four hundred eighty-eight".