71280425199 has 16 divisors (see below), whose sum is σ = 97690745952. Its totient is φ = 46211063808.

The previous prime is 71280425197. The next prime is 71280425207. The reversal of 71280425199 is 99152408217.

It is a happy number.

It is not a de Polignac number, because 71280425199 - 2¹ = 71280425197 is a prime.

It is a super-3 number, since 3×71280425199³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71280425191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1965682 + ... + 2001615.

It is an arithmetic number, because the mean of its divisors is an integer number (6105671622).

Almost surely, 2^71280425199 is an apocalyptic number.

71280425199 is a deficient number, since it is larger than the sum of its proper divisors (26410320753).

71280425199 is a wasteful number, since it uses less digits than its factorization.

71280425199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967466.

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 71280425199 in words is "seventy-one billion, two hundred eighty million, four hundred twenty-five thousand, one hundred ninety-nine".