69881787482112 has 1536 divisors, whose sum is σ = 230763939120000. Its totient is φ = 20276280557568.

The previous prime is 69881787482063. The next prime is 69881787482119. The reversal of 69881787482112 is 21128478718896.

69881787482112 is a `hidden beast` number, since 69 + 8 + 8 + 1 + 7 + 87 + 482 + 1 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (1536).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (69881787482119) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 354729885598 + ... + 354729885794.

Almost surely, 2^{69881787482112} 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 69881787482112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115381969560000).

69881787482112 is an abundant number, since it is smaller than the sum of its proper divisors (160882151637888).

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

69881787482112 is a wasteful number, since it uses less digits than its factorization.

69881787482112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 346 counting only the distinct ones).

The product of its digits is 173408256, while the sum is 72.

The spelling of 69881787482112 in words is "sixty-nine trillion, eight hundred eighty-one billion, seven hundred eighty-seven million, four hundred eighty-two thousand, one hundred twelve".