71555549114280 has 128 divisors (see below), whose sum is σ = 267636339578880. Its totient is φ = 14868685528320.

The previous prime is 71555549114261. The next prime is 71555549114383. The reversal of 71555549114280 is 8241194555517.

71555549114280 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×71555549114280² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71555549114280.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3872044284 + ... + 3872062763.

It is an arithmetic number, because the mean of its divisors is an integer number (2090908902960).

Almost surely, 2^{71555549114280} is an apocalyptic number.

71555549114280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71555549114280 is an abundant number, since it is smaller than the sum of its proper divisors (196080790464600).

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

71555549114280 is a wasteful number, since it uses less digits than its factorization.

71555549114280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7744107079 (or 7744107075 counting only the distinct ones).

The product of its (nonzero) digits is 10080000, while the sum is 57.

The spelling of 71555549114280 in words is "seventy-one trillion, five hundred fifty-five billion, five hundred forty-nine million, one hundred fourteen thousand, two hundred eighty".