26136381751 has 4 divisors (see below), whose sum is σ = 26160970192. Its totient is φ = 26111793312.

The previous prime is 26136381743. The next prime is 26136381781. The reversal of 26136381751 is 15718363162.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26136381751 - 2³ = 26136381743 is a prime.

It is a super-2 number, since 2×26136381751² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26136381698 and 26136381707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26136381701) 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, 12292626 + ... + 12294751.

It is an arithmetic number, because the mean of its divisors is an integer number (6540242548).

Almost surely, 2^26136381751 is an apocalyptic number.

26136381751 is a deficient number, since it is larger than the sum of its proper divisors (24588441).

26136381751 is a wasteful number, since it uses less digits than its factorization.

26136381751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24588440.

The product of its digits is 181440, while the sum is 43.

The spelling of 26136381751 in words is "twenty-six billion, one hundred thirty-six million, three hundred eighty-one thousand, seven hundred fifty-one".