7914155896512 has 224 divisors, whose sum is σ = 23621411370240. Its totient is φ = 2630433367296.

The previous prime is 7914155896429. The next prime is 7914155896541. The reversal of 7914155896512 is 2156985514197.

It is a happy number.

7914155896512 is a `hidden beast` number, since 7 + 9 + 1 + 4 + 1 + 558 + 9 + 65 + 12 = 666.

It is a super-3 number, since 3×7914155896512³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 7914155896512.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48487423 + ... + 48650369.

Almost surely, 2^{7914155896512} is an apocalyptic number.

7914155896512 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7914155896512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11810705685120).

7914155896512 is an abundant number, since it is smaller than the sum of its proper divisors (15707255473728).

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

7914155896512 is an equidigital number, since it uses as much as digits as its factorization.

7914155896512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163327 (or 163299 counting only the distinct ones).

The product of its digits is 27216000, while the sum is 63.

The spelling of 7914155896512 in words is "seven trillion, nine hundred fourteen billion, one hundred fifty-five million, eight hundred ninety-six thousand, five hundred twelve".