71420112288 has 144 divisors (see below), whose sum is σ = 242318381760. Its totient is φ = 20405734272.

The previous prime is 71420112251. The next prime is 71420112289. The reversal of 71420112288 is 88221102417.

It is a happy number.

71420112288 is a `hidden beast` number, since 7 + 1 + 420 + 1 + 1 + 228 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (71420112289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 801156 + ... + 885827.

It is an arithmetic number, because the mean of its divisors is an integer number (1682766540).

Almost surely, 2^71420112288 is an apocalyptic number.

It is an amenable number.

71420112288 is an abundant number, since it is smaller than the sum of its proper divisors (170898269472).

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

71420112288 is a wasteful number, since it uses less digits than its factorization.

71420112288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687016 (or 1686995 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The spelling of 71420112288 in words is "seventy-one billion, four hundred twenty million, one hundred twelve thousand, two hundred eighty-eight".