11701439552 has 168 divisors, whose sum is σ = 26722913280. Its totient is φ = 5073868800.

The previous prime is 11701439539. The next prime is 11701439591. The reversal of 11701439552 is 25593410711.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18964748 + ... + 18965364.

It is an arithmetic number, because the mean of its divisors is an integer number (159064960).

Almost surely, 2^11701439552 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 11701439552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13361456640).

11701439552 is an abundant number, since it is smaller than the sum of its proper divisors (15021473728).

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

11701439552 is a wasteful number, since it uses less digits than its factorization.

11701439552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 11701439552 in words is "eleven billion, seven hundred one million, four hundred thirty-nine thousand, five hundred fifty-two".