11905526472 has 96 divisors (see below), whose sum is σ = 34751905920. Its totient is φ = 3388936320.

The previous prime is 11905526467. The next prime is 11905526473. The reversal of 11905526472 is 27462550911.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (11905526473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300018 + ... + 337374.

It is an arithmetic number, because the mean of its divisors is an integer number (361999020).

Almost surely, 2^11905526472 is an apocalyptic number.

11905526472 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 11905526472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17375952960).

11905526472 is an abundant number, since it is smaller than the sum of its proper divisors (22846379448).

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

11905526472 is a wasteful number, since it uses less digits than its factorization.

11905526472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37651 (or 37640 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 11905526472 in words is "eleven billion, nine hundred five million, five hundred twenty-six thousand, four hundred seventy-two".