11898311532 has 48 divisors (see below), whose sum is σ = 28333186560. Its totient is φ = 3884856768.

The previous prime is 11898311483. The next prime is 11898311549. The reversal of 11898311532 is 23511389811.

11898311532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 378573 + ... + 408795.

It is an arithmetic number, because the mean of its divisors is an integer number (590274720).

Almost surely, 2^11898311532 is an apocalyptic number.

11898311532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11898311532 is an abundant number, since it is smaller than the sum of its proper divisors (16434875028).

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

11898311532 is a wasteful number, since it uses less digits than its factorization.

11898311532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30902 (or 30900 counting only the distinct ones).

The product of its digits is 51840, while the sum is 42.

The spelling of 11898311532 in words is "eleven billion, eight hundred ninety-eight million, three hundred eleven thousand, five hundred thirty-two".