26257040223071 has 16 divisors (see below), whose sum is σ = 30792893201664. Its totient is φ = 21920364474624.

The previous prime is 26257040223053. The next prime is 26257040223079. The reversal of 26257040223071 is 17032204075262.

It is a de Polignac number, because none of the positive numbers 2^k-26257040223071 is a prime.

It is a super-2 number, since 2×26257040223071² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26257040223079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123452801 + ... + 123665306.

It is an arithmetic number, because the mean of its divisors is an integer number (1924555825104).

Almost surely, 2^{26257040223071} is an apocalyptic number.

26257040223071 is a deficient number, since it is larger than the sum of its proper divisors (4535852978593).

26257040223071 is a wasteful number, since it uses less digits than its factorization.

26257040223071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247118510.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 26257040223071 in words is "twenty-six trillion, two hundred fifty-seven billion, forty million, two hundred twenty-three thousand, seventy-one".