26341561031 has 4 divisors (see below), whose sum is σ = 27727959000. Its totient is φ = 24955163064.

The previous prime is 26341561027. The next prime is 26341561067. The reversal of 26341561031 is 13016514362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13016514362 = 2 ⋅6508257181.

It is a cyclic number.

It is not a de Polignac number, because 26341561031 - 2² = 26341561027 is a prime.

It is a super-2 number, since 2×26341561031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26341569031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693198956 + ... + 693198993.

It is an arithmetic number, because the mean of its divisors is an integer number (6931989750).

Almost surely, 2^26341561031 is an apocalyptic number.

26341561031 is a deficient number, since it is larger than the sum of its proper divisors (1386397969).

26341561031 is a wasteful number, since it uses less digits than its factorization.

26341561031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386397968.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 26341561031 in words is "twenty-six billion, three hundred forty-one million, five hundred sixty-one thousand, thirty-one".