11782971024 has 160 divisors (see below), whose sum is σ = 35306025984. Its totient is φ = 3350730240.

The previous prime is 11782971019. The next prime is 11782971029. The reversal of 11782971024 is 42017928711.

It is an interprime number because it is at equal distance from previous prime (11782971019) and next prime (11782971029).

It is not an unprimeable number, because it can be changed into a prime (11782971029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 634479 + ... + 652785.

Almost surely, 2^11782971024 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 11782971024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17653012992).

11782971024 is an abundant number, since it is smaller than the sum of its proper divisors (23523054960).

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

11782971024 is a wasteful number, since it uses less digits than its factorization.

11782971024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18405 (or 18399 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 42.

The spelling of 11782971024 in words is "eleven billion, seven hundred eighty-two million, nine hundred seventy-one thousand, twenty-four".