69861113424 has 120 divisors (see below), whose sum is σ = 204664472064. Its totient is φ = 22218336000.

The previous prime is 69861113407. The next prime is 69861113431. The reversal of 69861113424 is 42431116896.

69861113424 is a `hidden beast` number, since 6 + 9 + 8 + 611 + 1 + 3 + 4 + 24 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 69861113424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206734 + ... + 427154.

Almost surely, 2^69861113424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69861113424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102332236032).

69861113424 is an abundant number, since it is smaller than the sum of its proper divisors (134803358640).

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

69861113424 is a wasteful number, since it uses less digits than its factorization.

69861113424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220537 (or 220528 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The spelling of 69861113424 in words is "sixty-nine billion, eight hundred sixty-one million, one hundred thirteen thousand, four hundred twenty-four".