840111113420252 has 12 divisors (see below), whose sum is σ = 1470234266593176. Its totient is φ = 420044180107920.

The previous prime is 840111113420197. The next prime is 840111113420263. The reversal of 840111113420252 is 252024311111048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2843984399 + ... + 2844279782.

It is an arithmetic number, because the mean of its divisors is an integer number (122519522216098).

Almost surely, 2^{840111113420252} is an apocalyptic number.

It is an amenable number.

840111113420252 is a deficient number, since it is larger than the sum of its proper divisors (630123153172924).

840111113420252 is a wasteful number, since it uses less digits than its factorization.

840111113420252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5688301108 (or 5688301106 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 840111113420252 in words is "eight hundred forty trillion, one hundred eleven billion, one hundred thirteen million, four hundred twenty thousand, two hundred fifty-two".