26691136001 has 2 divisors, whose sum is σ = 26691136002. Its totient is φ = 26691136000.

The previous prime is 26691135949. The next prime is 26691136037. The reversal of 26691136001 is 10063119662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17727591025 + 8963544976 = 133145^2 + 94676^2 .

It is a cyclic number.

It is not a de Polignac number, because 26691136001 - 2³⁰ = 25617394177 is a prime.

It is not a weakly prime, because it can be changed into another prime (26691136051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13345568000 + 13345568001.

It is an arithmetic number, because the mean of its divisors is an integer number (13345568001).

Almost surely, 2^26691136001 is an apocalyptic number.

It is an amenable number.

26691136001 is a deficient number, since it is larger than the sum of its proper divisors (1).

26691136001 is an equidigital number, since it uses as much as digits as its factorization.

26691136001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 26691136001 in words is "twenty-six billion, six hundred ninety-one million, one hundred thirty-six thousand, one".