26236261142501 has 2 divisors, whose sum is σ = 26236261142502. Its totient is φ = 26236261142500.

The previous prime is 26236261142489. The next prime is 26236261142551. The reversal of 26236261142501 is 10524116263262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17388908340001 + 8847352802500 = 4170001^2 + 2974450^2 .

It is a cyclic number.

It is not a de Polignac number, because 26236261142501 - 2³⁰ = 26235187400677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26236261142551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13118130571250 + 13118130571251.

It is an arithmetic number, because the mean of its divisors is an integer number (13118130571251).

Almost surely, 2^{26236261142501} is an apocalyptic number.

It is an amenable number.

26236261142501 is a deficient number, since it is larger than the sum of its proper divisors (1).

26236261142501 is an equidigital number, since it uses as much as digits as its factorization.

26236261142501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 26236261142501 in words is "twenty-six trillion, two hundred thirty-six billion, two hundred sixty-one million, one hundred forty-two thousand, five hundred one".