26015101157 has 2 divisors, whose sum is σ = 26015101158. Its totient is φ = 26015101156.

The previous prime is 26015101153. The next prime is 26015101163. The reversal of 26015101157 is 75110151062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13837757956 + 12177343201 = 117634^2 + 110351^2 .

It is a cyclic number.

It is not a de Polignac number, because 26015101157 - 2² = 26015101153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26015101153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13007550578 + 13007550579.

It is an arithmetic number, because the mean of its divisors is an integer number (13007550579).

Almost surely, 2^26015101157 is an apocalyptic number.

It is an amenable number.

26015101157 is a deficient number, since it is larger than the sum of its proper divisors (1).

26015101157 is an equidigital number, since it uses as much as digits as its factorization.

26015101157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 29.

The spelling of 26015101157 in words is "twenty-six billion, fifteen million, one hundred one thousand, one hundred fifty-seven".