26510742101 has 2 divisors, whose sum is σ = 26510742102. Its totient is φ = 26510742100.

The previous prime is 26510742079. The next prime is 26510742107. The reversal of 26510742101 is 10124701562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21991407025 + 4519335076 = 148295^2 + 67226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26510742101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26510742107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13255371050 + 13255371051.

It is an arithmetic number, because the mean of its divisors is an integer number (13255371051).

Almost surely, 2^26510742101 is an apocalyptic number.

It is an amenable number.

26510742101 is a deficient number, since it is larger than the sum of its proper divisors (1).

26510742101 is an equidigital number, since it uses as much as digits as its factorization.

26510742101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 26510742101 in words is "twenty-six billion, five hundred ten million, seven hundred forty-two thousand, one hundred one".