26546526157 has 2 divisors, whose sum is σ = 26546526158. Its totient is φ = 26546526156.

The previous prime is 26546526121. The next prime is 26546526161. The reversal of 26546526157 is 75162564562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19508826276 + 7037699881 = 139674^2 + 83891^2 .

It is a cyclic number.

It is not a de Polignac number, because 26546526157 - 2³¹ = 24399042509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26546526157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26546526187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13273263078 + 13273263079.

It is an arithmetic number, because the mean of its divisors is an integer number (13273263079).

Almost surely, 2^26546526157 is an apocalyptic number.

It is an amenable number.

26546526157 is a deficient number, since it is larger than the sum of its proper divisors (1).

26546526157 is an equidigital number, since it uses as much as digits as its factorization.

26546526157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024000, while the sum is 49.

The spelling of 26546526157 in words is "twenty-six billion, five hundred forty-six million, five hundred twenty-six thousand, one hundred fifty-seven".