26542667340571 has 32 divisors (see below), whose sum is σ = 28837626048000. Its totient is φ = 24344440773120.

The previous prime is 26542667340557. The next prime is 26542667340667. The reversal of 26542667340571 is 17504376624562.

It is a de Polignac number, because none of the positive numbers 2^k-26542667340571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26542667340521) 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, 207140280 + ... + 207268378.

It is an arithmetic number, because the mean of its divisors is an integer number (901175814000).

Almost surely, 2^{26542667340571} is an apocalyptic number.

26542667340571 is a deficient number, since it is larger than the sum of its proper divisors (2294958707429).

26542667340571 is a wasteful number, since it uses less digits than its factorization.

26542667340571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129619.

The product of its (nonzero) digits is 50803200, while the sum is 58.

The spelling of 26542667340571 in words is "twenty-six trillion, five hundred forty-two billion, six hundred sixty-seven million, three hundred forty thousand, five hundred seventy-one".