11931409333452 has 24 divisors (see below), whose sum is σ = 31817091556096. Its totient is φ = 3408974095248.

The previous prime is 11931409333439. The next prime is 11931409333471. The reversal of 11931409333452 is 25433390413911.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71020293568 + ... + 71020293735.

Almost surely, 2^{11931409333452} is an apocalyptic number.

11931409333452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11931409333452 is an abundant number, since it is smaller than the sum of its proper divisors (19885682222644).

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

11931409333452 is a wasteful number, since it uses less digits than its factorization.

11931409333452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142040587317 (or 142040587315 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 48.

The spelling of 11931409333452 in words is "eleven trillion, nine hundred thirty-one billion, four hundred nine million, three hundred thirty-three thousand, four hundred fifty-two".