26431255101 has 8 divisors (see below), whose sum is σ = 35244037024. Its totient is φ = 17619654960.

The previous prime is 26431255027. The next prime is 26431255133. The reversal of 26431255101 is 10155213462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26431255101 - 2⁹ = 26431254589 is a prime.

It is a super-2 number, since 2×26431255101² (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 (26431255141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241870 + ... + 333711.

It is an arithmetic number, because the mean of its divisors is an integer number (4405504628).

Almost surely, 2^26431255101 is an apocalyptic number.

It is an amenable number.

26431255101 is a deficient number, since it is larger than the sum of its proper divisors (8812781923).

26431255101 is a wasteful number, since it uses less digits than its factorization.

26431255101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590891.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 26431255101 its reverse (10155213462), we get a palindrome (36586468563).

The spelling of 26431255101 in words is "twenty-six billion, four hundred thirty-one million, two hundred fifty-five thousand, one hundred one".