26155841461 has 2 divisors, whose sum is σ = 26155841462. Its totient is φ = 26155841460.

The previous prime is 26155841449. The next prime is 26155841483. The reversal of 26155841461 is 16414855162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25608000625 + 547840836 = 160025^2 + 23406^2 .

It is a cyclic number.

It is not a de Polignac number, because 26155841461 - 2²⁵ = 26122287029 is a prime.

It is a super-2 number, since 2×26155841461² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26155841561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13077920730 + 13077920731.

It is an arithmetic number, because the mean of its divisors is an integer number (13077920731).

Almost surely, 2^26155841461 is an apocalyptic number.

It is an amenable number.

26155841461 is a deficient number, since it is larger than the sum of its proper divisors (1).

26155841461 is an equidigital number, since it uses as much as digits as its factorization.

26155841461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 43.

The spelling of 26155841461 in words is "twenty-six billion, one hundred fifty-five million, eight hundred forty-one thousand, four hundred sixty-one".