11772381012 has 24 divisors (see below), whose sum is σ = 31393016256. Its totient is φ = 3363537408.

The previous prime is 11772381011. The next prime is 11772381013. The reversal of 11772381012 is 21018327711.

11772381012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11772381011) and next prime (11772381013).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11772381011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70073613 + ... + 70073780.

It is an arithmetic number, because the mean of its divisors is an integer number (1308042344).

Almost surely, 2^11772381012 is an apocalyptic number.

11772381012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11772381012 is an abundant number, since it is smaller than the sum of its proper divisors (19620635244).

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

11772381012 is a wasteful number, since it uses less digits than its factorization.

11772381012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140147407 (or 140147405 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 33.

The spelling of 11772381012 in words is "eleven billion, seven hundred seventy-two million, three hundred eighty-one thousand, twelve".