71428558491335 has 32 divisors (see below), whose sum is σ = 91012066352640. Its totient is φ = 53630093160448.

The previous prime is 71428558491209. The next prime is 71428558491337. The reversal of 71428558491335 is 53319485582417.

It is a cyclic number.

It is not a de Polignac number, because 71428558491335 - 2¹⁶ = 71428558425799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71428558491337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55262819 + ... + 56540571.

It is an arithmetic number, because the mean of its divisors is an integer number (2844127073520).

Almost surely, 2^{71428558491335} is an apocalyptic number.

71428558491335 is a deficient number, since it is larger than the sum of its proper divisors (19583507861305).

71428558491335 is a wasteful number, since it uses less digits than its factorization.

71428558491335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279627.

The product of its digits is 145152000, while the sum is 65.

The spelling of 71428558491335 in words is "seventy-one trillion, four hundred twenty-eight billion, five hundred fifty-eight million, four hundred ninety-one thousand, three hundred thirty-five".