1356858026579 has 12 divisors (see below), whose sum is σ = 1513682504712. Its totient is φ = 1215096732960.

The previous prime is 1356858026483. The next prime is 1356858026603. The reversal of 1356858026579 is 9756208586531.

It is a de Polignac number, because none of the positive numbers 2^k-1356858026579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1356858026779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83676242 + ... + 83692455.

It is an arithmetic number, because the mean of its divisors is an integer number (126140208726).

Almost surely, 2^{1356858026579} is an apocalyptic number.

1356858026579 is a deficient number, since it is larger than the sum of its proper divisors (156824478133).

1356858026579 is a wasteful number, since it uses less digits than its factorization.

1356858026579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167368786 (or 167368775 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 65.

The spelling of 1356858026579 in words is "one trillion, three hundred fifty-six billion, eight hundred fifty-eight million, twenty-six thousand, five hundred seventy-nine".